Best Grey Air Purifiers: 15 Spec-Based Picks
We compared 15 grey air purifiers using published specifications. This guide helps you select the right model based on room coverage and filtration data.
8 min read
Reviewed
Best Grey Air Purifiers: 15 Spec-Based Picks
Price today
| Amazon | Not listed | View deal |
|---|
We track one retailer, so this is not a price comparison. Affiliate link; price and stock come from the listing and change without notice.
What you need to know
- Small rooms under 500 square feet work well with compact units like the Shark HC452. Match the unit to your room size
- You want a small desktop purifier with UV-C light for virus reduction – GermGuardian AC4100 Desktop Air Purifier – The GermGuardian AC4100 provides HEPA filtration… The best fit for you
- The grey color appears across diverse units, from the compact Shark HC452 to heavy-duty VEVOR air scrubbers. Is a grey finish worth the choice?
- We found 15 grey air purifiers by scanning Amazon listings for the color grey in titles or feature lists. How We Picked Grey Units
- Small rooms under 500 square feet work well with the Shark HC452, which offers compact coverage. How to choose the right grey air purifier
One line lifted from each section below — follow the link to read that section in full.
As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
Finding the best grey air purifiers requires looking at hard specs rather than marketing claims. We compared 15 models to help you choose based on published data. The Shark HC452 500 Sq. Ft. 3-in-1 Purifier leads this list because its 500 square foot coverage handles small rooms effectively while adding heat. Every pick here relies strictly on the specifications listed by manufacturers. We avoid personal testing or subjective ratings. This guide helps you decide which unit fits your space and needs.
Match the unit to your room size
Your choice depends on the space you need to clean. Small rooms under 500 square feet work well with compact units like the Shark HC452. Large open areas require high-capacity models such as the Shark Clean Sense 1200 Sq Ft. Check the square footage rating or CFM to ensure the device can handle the volume of air in your specific room.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Shark HC452 500 Sq. Ft. 3-in-1 Purifier Best overall | small rooms needing heat and purification | |
| 2 | Shark Clean Sense 1200 Sq Ft Air Purifier Also great | Large rooms needing odor reduction and particle capture | |
| 3 | VEVOR 800 CFM Negative Air Machine Also great | large spaces and odor removal | |
| 4 | BlueDri Air Shield 550 Grey Air Scrubber Also great | water damage restoration and construction sites | |
| 5 | CADPXS Shield-550 Grey Air Scrubber Also great | renovation dust and odor control | |
| 6 | MOUNTO HEPA500 Grey Air Scrubber Also great | commercial remediation and construction sites | |
| 7 | Onamor 360,000mg Ozone Generator Best budget | Heavy odor removal in large spaces | |
| 8 | Nuwave OxyPure Smart Grey Tower Best premium | large open-concept rooms and whole-house coverage | |
| 9 | GermGuardian AC4100 Desktop Air Purifier Best uv-c light | small rooms and desktop use | |
| 10 | MOUNTO 1000cfm Portable Air Scrubber Best portable | Industrial air scrubbing and renovations | |
| 11 | Blueair 5440i DustMagnet Grey Best washable filter | Large rooms needing quiet, washable filter cleaning | |
| 12 | ALIENONE Grey All-in-One Air Purifier Best humidifier | large rooms needing combined purification and humidity | |
| 13 | Blueair ComfortPure 3-in-1 Air Purifier Best auto mode | Large rooms needing purification and climate control | |
| 14 | CJYESY DP-311 Air Scrubber Best activated carbon filter | small commercial spaces like salons | |
| 15 | Levoit Core P350 2-Pack Air Purifier Also great | Dual-room pet odor control and verified cleaning |
The best fit for you
- You need a compact unit with heating for small rooms – Shark HC452 500 Sq. Ft. 3-in-1 Purifier – It combines HEPA filtration with a heater in a 500 Sq. Ft. grey package.
- You want the most powerful portable air scrubber for renovations – MOUNTO 1000cfm Portable Air Scrubber – The MOUNTO 1000cfm model delivers high airflow for industrial air scrubbing and large spaces.
- You need whole-house coverage with washable filters for long-term savings – Nuwave OxyPure Smart Grey Tower – The Nuwave OxyPure Smart Tower offers high CADR and washable filters for large open areas.
- You want a small desktop purifier with UV-C light for virus reduction – GermGuardian AC4100 Desktop Air Purifier – The GermGuardian AC4100 provides HEPA filtration and UV-C light in a 5.15-pound desktop unit.
Is a grey finish worth the choice?
The grey color appears across diverse units, from the compact Shark HC452 to heavy-duty VEVOR air scrubbers. This neutral tone blends into home offices, bedrooms, or industrial job sites without drawing attention. It does not affect filtration performance, airflow, or noise levels. You choose grey for visual discretion in any room. The finish is purely aesthetic, allowing the device to hide in corners while you focus on specs like square footage coverage or HEPA rating.
Worth it if
- You want a neutral device that blends into home or office decor
- You are buying for a commercial space like a salon or construction site
- You prefer a minimalist look that does not distract from the room
Skip it if
- You want a specific color to match existing furniture or decor
- You believe the finish impacts air cleaning performance or efficiency
- You need a unit with a distinct visual identity in your space
Shark HC452 500 Sq. Ft. 3-in-1 Purifier
Best for: small rooms needing heat and purification
- Color
- Grey
- Coverage Area
- 500 sq ft
- Filter Type
- NanoSeal HEPA
- Combo Function
- Heater, Fan
- Minimum Particle Size
- 0.1–0.2 microns
- Filtration Technology
- HEPA Filter
The Shark HC452 is a grey 3-in-1 air purifier, heater, and fan designed for spaces up to 500 square feet. It uses NanoSeal HEPA filtration to target smoke, odors, dust, and allergens. The unit measures 10.4 by 10.4 by 23.6 inches and weighs 12.8 pounds. This compact build makes it suitable for smaller rooms where you need combined air cleaning and heating functions.
- NanoSeal HEPA filtration targets smoke, odors, dust, and allergens
- Combines air purification with heater and fan functions
- Compact 500 square foot coverage area
- Grey finish fits modern interiors
- 500 square foot coverage is smaller than many competitors on this list
- 12.8 pound weight adds bulk compared to lighter air-only units
- 23.6 inch height requires vertical space in small rooms
- You need a single device for air cleaning and heating
- You have a room under 500 square feet
- You prefer a grey color scheme
- You require coverage for rooms larger than 500 square feet
- You only want air purification without heating or fan features
- You need a unit lighter than 12.8 pounds
Verdict: Shark HC452 500 Sq. Ft Grey Air Purifier suits buyers who want a compact, grey 3-in-1 unit for small rooms up to 500 square feet. It is ideal for those needing odor and allergen reduction alongside heating.
Shark Clean Sense 1200 Sq Ft Air Purifier
Best for: Large rooms needing odor reduction and particle capture
- Color
- Grey
- Coverage Area
- 1,200 sq ft
- Filter Type
- NANOSEAL HEPA
- Sensor Type
- PM 1.0–10
- Minimum Particle Size
- 0.1–0.2 microns
- Room Size
- Large Rooms
The Shark HP232 is a grey air purifier designed for large rooms up to 1200 square feet. It uses a NanoSeal HEPA filter to trap 99.98% of particles. The unit features CleanSense IQ for real-time air quality monitoring. An odor neutralizer technology helps reduce smells. It operates quietly with dimmable lights, making it suitable for bedrooms.
- Covers up to 1200 square feet
- NanoSeal HEPA filter captures 99.98% of particles
- CleanSense IQ displays real-time air quality
- Odor Neutralizer Technology reduces smells
- Ultra-quiet performance with dimmable lights
- Weighs 11 pounds, which is heavier than lighter portable units
- Dimensions of 10.8 x 10.8 x 22.8 inches require more floor space
- Limited to four fan speeds compared to variable settings
- You need purification for a large living room or basement
- You want visible air quality feedback via the display
- You need help reducing household odors alongside particle removal
- You require coverage for spaces larger than 1200 square feet
- You need a compact unit for small bedrooms or offices
- You prefer a multi-function device that includes heating or cooling
Verdict: Shark HP232 1200 Sq. Ft. Air Purifier is a solid choice for large rooms where odor reduction and visible air quality monitoring are priorities. It fits buyers who value quiet operation and specific particle capture standards.
VEVOR 800 CFM Negative Air Machine
Best for: large spaces and odor removal
- Color
- Grey
- Filter Type
- H13 HEPA
- Filter Stages
- 3-stage
- Minimum Particle Size
- 0.3 microns
- Filtration Technology
- HEPA Filter
- Placement
- Home
This grey VEVOR air scrubber delivers 800 CFM of adjustable airflow through a three-stage filtration system. It combines a MERV-10 pre-filter, an activated carbon filter, and an H13 HEPA filter to capture 99.97% of particles as small as 0.3 microns. A built-in UV-C light further breaks down odors from cooking, pets, or smoke. The unit weighs 35 pounds and features a foldable handle for easy transport. It includes a control panel with a timer and indicator lights for filter changes.
- 800 CFM maximum adjustable airflow
- Three-stage filtration with H13 HEPA and carbon
- Built-in UV-C light for odor elimination
- Daisy-chain capability for up to 3 units
- Foldable handle and 35-pound weight for portability
- Heavier 35-pound build compared to lighter home units
- Larger physical footprint at 24.2 x 23.5 x 15.9 inches
- Industrial design with auxiliary sockets rather than smart home integration
- You need high airflow for large rooms or commercial spaces
- You are managing odors from smoking, cooking, or pets
- You require stackable units for daisy-chaining up to 2400 CFM
- You need a quiet, unobtrusive unit for a bedroom
- You prefer a lightweight device under 20 pounds
- You want smart app control or voice assistant integration
Verdict: VEVOR 800CFM Grey Air Scrubber suits users who need serious airflow for large spaces or odor control. It is a practical tool for renovation, restoration, or heavy-duty home use where power matters more than silence.
BlueDri Air Shield 550 Grey Air Scrubber
Best for: water damage restoration and construction sites
- Color
- Grey
- Coverage Area
- 1,400 sq ft
- Filter Type
- HEPA
- Filter Stages
- 3-stage
- Minimum Particle Size
- 0.3 microns
- Filtration Technology
- HEPA Filter
The BlueDri Air Shield 550 is a grey air scrubber built for heavy-duty environments. It delivers high airflow to remove smoke, dust, and dander. The HEPA filter captures 99.97% of particles down to 0.3 microns. It measures 24 by 23 by 15.3 inches and weighs 39 pounds. This unit suits water damage restoration and construction sites. You get a durable single housing with a 1-year warranty.
- HEPA filter removes 99.97% of particles down to 0.3 microns
- Operates at three filtration stages for thorough cleaning
- Engineered with a tough single housing design
- Covers up to 1400 square feet
- Weighs 39 pounds, making it less portable than lighter units
- Carbon filter for odor elimination is sold separately
- Housing warranty is limited to 1 year
- You need reliable air purification for water damage restoration
- You require a unit that handles smoke and sawdust
- You want a durable machine for commercial repair sites
- You need a quiet unit for a bedroom
- You want odor removal without buying extra filters
- You need a lightweight device for easy transport
Verdict: BlueDri Air Shield 550 Grey Air Scrubber is a robust choice for professionals managing construction debris or water damage. It fits users who prioritize heavy-duty filtration and durable build quality over portability.
CADPXS Shield-550 Grey Air Scrubber
Best for: renovation dust and odor control
- Color
- Grey
- Filter Type
- Commercial HEPA
- Filter Stages
- 3-Stage
- Filtration Technology
- HEPA Filter
- Target Pollutant
- Dust
- Dimensions
- 15.2 × 25 × 14.2 inches
The CADPXS Shield-550 is a grey commercial air scrubber designed for renovation and restoration work. It uses a 3-stage filtration system with a MERV-10 pre-filter and an active carbon filter to capture dust and neutralize odors. The HEPA stage targets particles down to 0.3 microns. Weighing 33.5 pounds and measuring 24.2 by 15.2 by 22.9 inches, it offers a sturdy build for demanding environments like construction sites or salons.
- 3-stage filtration with MERV-10 pre-filter
- Active carbon filter for odor removal
- HEPA filter captures 99.97% of particles at 0.3 microns
- 10-year limited service warranty
- Heavier build at 33.5 pounds compared to lighter residential units
- Larger footprint at 24.2 by 15.2 by 22.9 inches
- Lower airflow capacity at 550 CFM than high-end industrial models
- You need to remove dust from construction or renovation sites
- You require odor neutralization in spaces like salons or print shops
- You want a durable unit with a long service warranty
- You need a lightweight unit for easy portability
- You are looking for a compact device for small bedrooms
- You require high-speed air circulation for large open spaces
Verdict: CADPXS Shield-550 Grey Air Scrubber fits users managing renovation dust or strong odors who value durability over portability. It serves well as a stationary solution for professional or heavy-duty home projects.
MOUNTO HEPA500 Grey Air Scrubber
Best for: commercial remediation and construction sites
- Color
- Grey
- Filter Type
- HEPA
- Filtration Technology
- HEPA Filter
- Dimensions
- 25 × 16 × 25 inches
- Weight
- 7.34 pounds
The MOUNTO HEPA500 is a grey air purifier designed for commercial and remediation use. It delivers 550 CFM of airflow through a HEPA filtration system. The unit is lightweight at 7.34 pounds and features a rotomolded plastic housing. You will appreciate the variable speed control and stackable design. This model suits users needing portable air scrubbing for construction sites or restoration projects.
- 550 CFM airflow rate for effective air scrubbing
- HEPA filter technology for particle removal
- Variable speed control for adjustable airflow
- Stackable design for space-efficient storage
- 10-year housing warranty for durability
- Lower airflow capacity than industrial 1000 CFM models
- Single fixed height limits vertical adjustability
- Basic control interface without digital display
- You need a portable air scrubber for construction sites
- You require stackable units for efficient storage
- You want a lightweight machine for frequent moves
- You need a quiet bedroom air purifier
- You require smart home app connectivity
- You need a unit for large living spaces
Verdict: MOUNTO HEPA500 Grey Air Scrubber fits contractors and restoration pros who need a durable, portable unit for job sites rather than residential comfort.
Onamor 360,000mg Ozone Generator
Best for: Heavy odor removal in large spaces
- Color
- Grey
- Coverage Area
- Up to 8,000 Sq.Ft
- Filtration Technology
- Ionizer, Ozone Generator
- Target Pollutant
- Smoke, Odors
- Placement
- Home
- Dimensions
- 8.3 × 6 × 7.1 inches
This Onamor unit is a grey ozone generator designed for odor elimination rather than particulate filtration. It produces 360,000 mg of ozone and covers up to 8,000 square feet. The device features a 2600 RPM fan and touch controls with a 0-24 hour timer. You should use this for strong odors like smoke or pet smells. It is not a standard HEPA air purifier for daily air cleaning.
- Generates 360,000 mg of ozone for high-capacity odor removal
- Covers spaces up to 8,000 square feet
- Includes a 2600 RPM fan for rapid ozone diffusion
- Features a 0-24 hour timer with 5-minute increments
- Relies on ozone generation instead of HEPA filtration
- Weighs 3.2 pounds with a compact 6×7.1×8.3 inch footprint
- Not available for sale in California
- You need to eliminate strong odors like smoke or pet smells
- You want a portable unit with a long timer range
- You require coverage for large spaces up to 8,000 square feet
- You need a standard HEPA filter for daily particulate removal
- You live in California due to sales restrictions
- You prefer ionizer-only technology without ozone output
Verdict: Onamor 360,000mg Ozone Generator is a specialized tool for heavy odor removal rather than general air purification. It fits buyers who need to clear smoke or pet smells from large areas using high-capacity ozone output.
Nuwave OxyPure Smart Grey Tower
Best for: large open-concept rooms and whole-house coverage
- Color
- Grey
- Coverage Area
- Up to 2,934 sq. ft.
- Filter Type
- True HEPA
- Filter Stages
- 5-stage
- Sensor Type
- Airborne particles, odor
- Minimum Particle Size
- 0.09 microns
The Nuwave OxyPure Smart is a grey tower air purifier designed for whole-house coverage up to 2,934 sq. ft. It features a 5-stage filtration system with a CADR of 664.6 m³/h. Dual sensors monitor particles and odors, while a smart auto mode adjusts fan speed. The washable pre-filters help reduce long-term costs, making it suitable for large, open-concept spaces with high ceilings.
- Covers up to 2,934 sq. ft. in 60 minutes
- 5-stage filtration captures particles as small as 0.09 microns
- Dual sensors for real-time air quality monitoring
- Washable stainless-steel pre-filter and Bio-Guard filter
- Weighs 26 pounds, which is heavier than many compact units
- Tower form factor requires 14×14 inches of floor space
- You need purification for large, open-concept living spaces
- You want to reduce filter replacement costs with washable pre-filters
- You prefer automatic fan speed adjustments based on air quality
- You have limited floor space and need a compact unit
- You prefer a lighter, portable device for easy moving
- You only need purification for small bedrooms under 500 sq. ft.
Verdict: Nuwave OxyPure Smart Grey Tower handles large areas with high CADR and washable filters, fitting homes with open layouts and high ceilings. It suits buyers prioritizing coverage and long-term filter savings over portability.
GermGuardian AC4100 Desktop Air Purifier
Best for: small rooms and desktop use
- Color
- Grey
- Coverage Area
- 375 Sq. Foot
- Filter Type
- True HEPA
- Filter Stages
- 3-in-1
- Minimum Particle Size
- .3 microns
- Filtration Technology
- HEPA Filter, UV-C Light
This compact desktop unit measures 11 inches tall and weighs 5.15 pounds. It uses a True HEPA filter to capture 99.97% of particles as small as 0.3 microns. The UV-C light helps kill airborne viruses. An activated charcoal filter reduces odors. It covers rooms up to 375 square feet. You get a small footprint for tight spaces.
- True HEPA filter captures 99.97% of particles down to 0.3 microns
- UV-C light helps kill airborne viruses
- Activated charcoal filter reduces odors
- Compact 11-inch height fits small spaces
- Covers only up to 375 square feet
- Weighs 5.15 pounds
- 11-inch height is smaller than larger models
- You need a purifier for a small room or office
- You want a compact unit that fits on a desk
- You need UV-C light to help kill viruses
- You need to cover a large room over 375 square feet
- You prefer a taller unit for higher airflow
- You want a purifier for a commercial space
Verdict: GermGuardian AC4100 Compact Grey Air Purifier fits small rooms and desks where space is tight. You get virus-killing UV-C light and HEPA filtration in a 5.15-pound package. It suits you if you prioritize compact size over large room coverage.
MOUNTO 1000cfm Portable Air Scrubber
Best for: Industrial air scrubbing and renovations
- Color
- Grey
- Filter Type
- True HEPA
- Minimum Particle Size
- 0.3 microns
- Filtration Technology
- HEPA Filter, True HEPA Filter
- Form Factor
- Portable
- Dimensions
- 22 × 22 × 33 inches
This large, grey air purifier is built for high-volume air cleaning. It features a 1HP motor and a 6-inch True HEPA filter that captures 99.97% of particles down to 0.3 microns. The unit measures 22 by 33 inches, making it a substantial footprint. You should choose this if you need serious industrial-grade filtration in a portable form factor.
- 1000 CFM airflow rate for rapid air exchange
- 6-inch True HEPA filter captures 99.97% of 0.3 micron particles
- Portable form factor with a 1HP motor
- Grey color matches industrial or neutral decor
- Large physical footprint at 22 by 33 inches
- 1000 CFM is lower than the 550 CFM scrubbers on this list
- You need high-capacity air scrubbing for renovations
- You require a portable unit with a 1HP motor
- You want a grey industrial air purifier
- You need a compact unit for small bedrooms
- You require quiet residential operation
- You prefer a standard home air purifier
Verdict: MOUNTO 1000cfm Portable Air Scrubber fits contractors and restorers who need a portable, high-airflow unit for large spaces. It suits those who prioritize motor power and filter size over compactness.
Blueair 5440i DustMagnet Grey
Best for: Large rooms needing quiet, washable filter cleaning
- Color
- Grey
- Coverage Area
- 357 sq ft to 1,713 sq ft
- Filter Type
- HEPASilent
- Sensor Type
- Particles
- Minimum Particle Size
- 0.1 micron
- Pre-Filter Type
- Washable
The Blueair 5440i is a grey air purifier designed for spaces up to 1,713 square feet. It uses HEPASilent dual filtration and a washable stainless steel pre-filter to capture dust and pet dander. The unit includes Wi-Fi connectivity for app tracking and features a Quiet Mark approved operation at 30 dB on low. It is ENERGY STAR rated for efficient use. This model suits large rooms where quiet operation and reusable filters are priorities.
- Covers up to 1,713 square feet
- Washable stainless steel pre-filter
- Wi-Fi connectivity for app control
- Quiet Mark approved at 30 dB
- Heavier build at 15 pounds
- Larger footprint with 25.6 inch width
- Lower capacity than 1,000 cfm industrial scrubbers
- You need coverage for a large room up to 1,713 square feet
- You want a washable pre-filter to reduce maintenance costs
- You require quiet operation for nighttime use
- You need a portable unit for frequent moving
- You require industrial-grade negative air scrubbing
- You prefer a compact device for small spaces
Verdict: Blueair 5440i Grey Air Purifier fits large homes where you value quiet, energy-efficient cleaning and reusable filters. It serves households with pets or dust concerns who need wide coverage without excessive noise.
ALIENONE Grey All-in-One Air Purifier
Best for: large rooms needing combined purification and humidity
- Color
- Grey
- Coverage Area
- Up to 1300 Sq Ft
- Filter Type
- H13 True HEPA
- Combo Function
- Humidifier
- Filtration Technology
- HEPA Filter, True HEPA Filter
- Features
- WiFi
The ALIENONE AP-PH1 combines air purification and humidification in a single grey unit. It features an H13 True HEPA filter and delivers 440 CFM CADR. The 2.6-gallon top-fill tank supports large rooms up to 1300 square feet. Smart app controls and auto mode adjust settings based on built-in sensors. This system simplifies your setup by merging filtration and humidification into one device.
- H13 True HEPA filtration for advanced particle removal
- 440 CFM CADR suitable for large rooms
- 2.6-gallon top-fill water tank for humidification
- App connectivity for remote control and scheduling
- Mist-free humidification with quiet operation
- 440 CFM CADR is lower than the 550 CFM and 1000 CFM models on this list
- 2.6-gallon tank capacity is smaller than whole-house systems designed for larger spaces
- 12.5-pound weight adds bulk compared to lighter standalone units
- You want to replace two devices with one system
- You need humidification for large rooms up to 1300 square feet
- You prefer app connectivity for smart home control
- You require industrial-grade 550 CFM or 1000 CFM scrubbers
- You need a whole-house system with larger water capacity
- You prefer standalone air purifiers without humidification
Verdict: The ALIENONE Grey All-in-One Air Purifier fits buyers who want a single unit for large rooms with smart app control. It suits those needing mild humidification alongside H13 HEPA filtration.
Blueair ComfortPure 3-in-1 Air Purifier
Best for: Large rooms needing purification and climate control
- Color
- Grey
- Filter Type
- HEPASilent
- Combo Function
- Fan, Heater
- Connectivity
- WiFi
- Room Size
- Large Rooms
- Target Pollutant
- Pet Dander, Dust, Allergies, Pollen
The Blueair ComfortPure T20i is a grey air purifier that also functions as a fan and heater. It targets large rooms and uses TripleFlow technology to clean air while adjusting temperature. The unit includes Wi-Fi connectivity and an auto mode for hands-off operation. Its sleek design features a soft linen fabric exterior. This model suits users seeking year-round comfort with integrated heating and cooling capabilities alongside air purification.
- Triple function combines air purification, heating, and cooling
- Wi-Fi connectivity for remote control
- Auto mode adjusts settings automatically
- PTC heating reaches stable warmth in 60 seconds
- Oscillation up to 350 degrees
- Heavier build at 22.6 pounds compared to lighter standalone purifiers
- Larger footprint with 13.6-inch width and height limits placement options
- Heating capacity capped at 100°F which may be insufficient for very cold spaces
- You need a single device to purify, heat, and cool your home
- You want Wi-Fi control and auto mode for convenience
- You have a large room with space for a 27.4-inch tall unit
- You only need air purification without heating or cooling functions
- You require a compact unit for small spaces under 13.6 inches wide
- You prefer a lighter device under 15 pounds for easy moving
Verdict: Blueair ComfortPure T20i Grey 3-in-1 is a versatile choice for large rooms where you want year-round temperature control alongside air cleaning. It fits buyers who value multi-functionality and smart features over a dedicated, lightweight purifier.
CJYESY DP-311 Air Scrubber
Best for: small commercial spaces like salons
- Color
- Grey
- Filter Type
- HEPA
- Filter Stages
- 3-stage
- Minimum Particle Size
- 0.3 μm
- Filtration Technology
- HEPA Filter, Activated Carbon Filter
- Dimensions
- 25 × 21 × 15 inches
The CJYESY DP-311 is a grey air scrubber with 3-stage filtration, including a carbon filter for odors. It delivers 270 to 550 CFM airflow and captures 99.5% of particles ≥0.3μm. Weighing 18 pounds, it features a handle and stackable design. You will find it useful for small industrial tasks, salons, or print shops where portable negative air is needed.
- Stackable design allows horizontal or vertical arrangement
- Daisy-chain 3 units for 1650 total CFM
- Built-in handle for portable transport
- Control panel manages airflow settings from 270 to 550 CFM
- Captures 99.5% of particles, lower than the 99.97% standard found in many home HEPA purifiers
- Max airflow of 550 CFM is limited compared to larger industrial scrubbers on this list
- You need a portable unit for a salon or print shop
- You want to stack multiple units for increased coverage
- You require a grey air scrubber for industrial tasks
- You need a quiet unit for a bedroom
- You want a smart home app for remote control
- You require a high-capacity residential air purifier
Verdict: The CJYESY DP-311 Air Scrubber fits users who need a stackable, portable grey unit for small commercial spaces like salons or print shops. It is not suitable for quiet residential bedrooms.
Levoit Core P350 2-Pack Air Purifier
Best for: Dual-room pet odor control and verified cleaning
- Color
- Grey
- Coverage Area
- 217 sq ft
- Filter Stages
- 3-in-1
- Room Size
- Large Rooms
- Target Pollutant
- Pet Dander
- Placement
- Home, Bedroom
This pack includes two Levoit Core P350 air purifiers in grey. Each unit measures 8.7 by 8.7 by 14.2 inches and weighs 15 pounds. The AHAM VERIFIED seal confirms independent testing for performance and energy efficiency. Sleep Mode operates at 24dB, and a Pet Lock prevents accidental changes. You get reliable coverage for large rooms and bedrooms with specific focus on pet dander and odor neutralization.
- AHAM VERIFIED seal for independent performance verification
- Sleep Mode runs at 24dB noise level
- Pet Lock prevents unauthorized setting changes
- Activated carbon filter targets pet odors and cooking smoke
- Single unit weight of 15 pounds adds bulk when stacking two units
- Dimensions of 8.7 inches width limit placement in tight corners compared to slimmer competitors
- Core P350 model size is smaller than industrial scrubbers offering 500+ CFM
- You need two units to cover separate large rooms or bedrooms
- You prioritize verified air cleaning standards over raw industrial airflow
- You want quiet operation at 24dB for sleeping areas
- You require high-velocity industrial air scrubbing for renovation dust
- You need a single unit with higher than 350 CFM capacity
- You prefer a compact device under 10 inches in width
Verdict: Levoit Core P350 2-Pack Air Purifier suits households needing dual coverage for pet dander and odors in large rooms. You should choose this if you value verified performance metrics and quiet sleep modes over high-volume industrial filtration.
Specifications side by side
| Spec | Shark HC452 500 Sq. Ft. 3-in-1 Purifier | Shark Clean Sense 1200 Sq Ft Air Purifier | VEVOR 800 CFM Negative Air Machine | BlueDri Air Shield 550 Grey Air Scrubber | CADPXS Shield-550 Grey Air Scrubber | MOUNTO HEPA500 Grey Air Scrubber | Onamor 360,000mg Ozone Generator | Nuwave OxyPure Smart Grey Tower | GermGuardian AC4100 Desktop Air Purifier | MOUNTO 1000cfm Portable Air Scrubber | Blueair 5440i DustMagnet Grey | ALIENONE Grey All-in-One Air Purifier | Blueair ComfortPure 3-in-1 Air Purifier | CJYESY DP-311 Air Scrubber | Levoit Core P350 2-Pack Air Purifier |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coverage Area | 500 sq ft | 1,200 sq ft | – | 1,400 sq ft | – | – | Up to 8,000 Sq.Ft | Up to 2,934 sq. ft. | 375 Sq. Foot | – | 357 sq ft to 1,713 sq ft | Up to 1300 Sq Ft | – | – | 217 sq ft |
| Filter Type | NanoSeal HEPA | NANOSEAL HEPA | H13 HEPA | HEPA | Commercial HEPA | HEPA | – | True HEPA | True HEPA | True HEPA | HEPASilent | H13 True HEPA | HEPASilent | HEPA | – |
| Filter Stages | – | – | 3-stage | 3-stage | 3-Stage | – | – | 5-stage | 3-in-1 | – | – | – | – | 3-stage | 3-in-1 |
| Combo Function | Heater, Fan | – | – | – | – | – | – | – | – | – | – | Humidifier | Fan, Heater | – | – |
| Sensor Type | – | PM 1.0–10 | – | – | – | – | – | Airborne particles, odor | – | – | Particles | – | – | – | – |
| Minimum Particle Size | 0.1–0.2 microns | 0.1–0.2 microns | 0.3 microns | 0.3 microns | – | – | – | 0.09 microns | .3 microns | 0.3 microns | 0.1 micron | – | – | 0.3 μm | – |
| Connectivity | – | – | – | – | – | – | – | – | – | – | – | – | WiFi | – | – |
| Pre-Filter Type | – | – | – | – | – | – | – | Washable | – | – | Washable | – | – | – | – |
| Room Size | – | Large Rooms | – | – | – | – | – | Whole House | – | – | – | – | Large Rooms | – | Large Rooms |
| Filtration Technology | HEPA Filter | HEPA Filter | HEPA Filter | HEPA Filter | HEPA Filter | HEPA Filter | Ionizer, Ozone Generator | – | HEPA Filter, UV-C Light | HEPA Filter, True HEPA Filter | Washable Filter | HEPA Filter, True HEPA Filter | – | HEPA Filter, Activated Carbon Filter | – |
| Target Pollutant | Smoke, Odors, Dust, Allergies | Smoke, Odors, Pet Dander, Dust | – | – | Dust | – | Smoke, Odors | Smoke, Odors, Dust, Pollen | – | – | Pet Dander, Dust | – | Pet Dander, Dust, Allergies, Pollen | – | Pet Dander |
| Features | – | – | – | – | – | – | – | Sleep Mode | – | – | WiFi | WiFi | WiFi, Auto Mode | – | – |
| Form Factor | – | – | – | – | – | – | – | Tower | – | Portable | – | – | – | – | – |
| Color | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey | Grey |
| Placement | – | Bedroom | Home | – | – | – | Home | Bedroom | Home | – | Home | – | – | – | Home, Bedroom |
| Dimensions | 10.4 × 10.4 × 23.6 inches | 10.8 × 10.8 × 22.8 inches | 24.2 × 23.5 × 15.9 inches | 15.3 × 24 × 23 inches | 15.2 × 25 × 14.2 inches | 25 × 16 × 25 inches | 8.3 × 6 × 7.1 inches | 14 × 14 × 26 inches | 7.5 × 6.5 × 11 inches | 22 × 22 × 33 inches | 11.4 × 25.6 × 11.4 inches | 13.6 × 33.1 × 13.4 inches | 13.6 × 13.6 × 27.4 inches | 25 × 21 × 15 inches | 8.7 × 8.7 × 14.2 inches |
| Weight | 12.8 pounds | 11 pounds | – | 39 pounds | 33.5 pounds | 7.34 pounds | 3.2 pounds | 26 pounds | 5.15 pounds | – | 15 pounds | 12.5 pounds | 22.6 pounds | 18 pounds | 15 pounds |
| Size | 500 Sq. Ft | 1200 Sq. Ft. | 800CFM | Single Unit | 24.2 x 15.2 x 22.9 in | – | 360000mg | OxyPure Smart | 1 Count (Pack of 1) | Large | 5440i – 1713 Sq. ft. | – | Large | 23.8×15.5×23.03 inches | Core P350 (Pack of 2) |
| Model | – | HP232 | ZHP2301-800 | BD-AS-550-GY | Shield 550 | MOUNTO HEPA500 | NM-009D-Grey-01 | 47005 | AC4100 | HEPA1000 | 5431112000 | AP-PH1 | 4232412000 | DP-311 | Core P350 |
If you require true pathogen capture rather than aesthetics, consider specs for the best air purifiers for germs.
How We Picked Grey Units
We found 15 grey air purifiers by scanning Amazon listings for the color grey in titles or feature lists. We selected only one size or variant per product family to keep the guide clean. All details come directly from published specifications and feature lists. We did not handle any products physically. The data reflects what the manufacturers state about each model.
We ordered these picks by availability first. Next, we sorted by the listing's overall rating, weighted by the number of ratings. Finally, we ranked products by how many of our specific criteria their specs met. This method ensures you see the most relevant grey units first, based on verified data rather than subjective opinion.
How to choose the right grey air purifier
Match coverage to room size
Check the square footage or CFM rating to ensure the unit handles your space. Small rooms under 500 square feet work well with the Shark HC452, which offers compact coverage. For larger open areas, consider the Shark Clean Sense 1200 or the Blueair 5440i, which cover up to 1713 square feet. Heavy-duty projects may require the VEVOR 800 CFM or MOUNTO 1000 CFM scrubbers. Choosing the correct size ensures the air circulates properly without the unit struggling to clean the environment effectively.
Select the right filtration type
Most grey units use HEPA filters to capture particles like dust, pollen, and pet dander. The Shark HC452 and Levoit Core P350 both rely on HEPA technology for allergen reduction. If you need to remove odors and smoke, look for models with activated carbon, such as the CJYESY DP-311. Some units, like the Onamor, use ozone generators for heavy odor removal, which serves a different purpose than standard particle filtration. Verify the filter type matches the specific pollutants you want to remove from your air.
Consider combo functions
Some grey purifiers offer additional functions beyond air cleaning. The Shark HC452 includes a heater, making it suitable for small rooms where you need warmth alongside purification. The ALIENONE unit combines purification with humidification, adding moisture to the air. The Blueair ComfortPure 3-in-1 also provides heating and cooling. If you only need air cleaning, a standard HEPA unit like the GermGuardian AC4100 is sufficient. Choose a multi-function model only if you value the extra climate control features.
Check connectivity and smart features
Smart connectivity allows you to control the unit remotely via an app or Wi-Fi. The Blueair 5440i and ALIENONE units both support Wi-Fi and app control for easy management. The Blueair ComfortPure 3-in-1 includes auto mode to adjust settings based on air quality. If you prefer manual control, the Shark HC452 or Nuwave OxyPure offer simpler interfaces. Decide if remote monitoring and automated adjustments are necessary for your daily routine before selecting a model.
Evaluate form factor and portability
The physical design affects where you can place the unit. Tower models like the Nuwave OxyPure fit well in corners of large rooms. Desktop units, such as the GermGuardian AC4100, are lightweight at 5.15 pounds and ideal for small spaces. Industrial scrubbers like the BlueDri Air Shield weigh 39 pounds and are built for durability rather than portability. The MOUNTO HEPA500 is a lighter portable option at 7.34 pounds. Choose a form factor that fits your space and movement needs.
Frequently asked questions
What is the best grey air purifier for small bedrooms?
The Shark HC452 is the top choice for small rooms up to 500 square feet. It combines HEPA filtration with a heater, making it ideal for allergen reduction and odor control. Its compact grey design measures 10.4 by 23.6 inches and weighs 12.8 pounds, fitting easily into tight spaces.
Which grey air purifier covers the largest area?
The Blueair 5440i DustMagnet handles up to 1713 square feet, offering the widest coverage on this list. It uses washable filters to capture pet dander and dust efficiently. The unit features Wi-Fi connectivity and maintains a quiet operation suitable for large open-concept homes or living areas.
Are there grey air purifiers with washable filters?
Yes, the Blueair 5440i DustMagnet features washable filters for long-term maintenance. This design helps reduce ongoing replacement costs and supports sustainable cleaning habits. It is particularly effective for households dealing with pet dander and general dust accumulation in large rooms.
What is the best grey air purifier for renovation dust?
The MOUNTO 1000cfm Portable Air Scrubber is designed for industrial air scrubbing and heavy renovation dust. It delivers high airflow to clear large construction sites or commercial spaces. This grey unit prioritizes motor power and filter size over compactness, making it a robust tool for contractors.
Do any grey purifiers include smart app control?
The ALIENONE Grey All-in-One Air Purifier offers smart app control via Wi-Fi. It combines H13 HEPA filtration with mild humidification for large rooms. This feature allows you to manage air quality and humidity levels remotely, providing convenience for users who want integrated climate management.
Which grey air purifier is best for pet odors?
The Shark Clean Sense 1200 Sq Ft Air Purifier is excellent for reducing pet dander and odors in large rooms. It uses HEPA filtration and includes visible air quality monitoring. This grey unit is lightweight at 11 pounds and fits well in bedrooms or living areas where pets spend time.
Is there a grey air purifier with UV-C light?
The GermGuardian AC4100 Desktop Air Purifier includes virus-killing UV-C light alongside HEPA filtration. It is designed for small rooms and desktop use, weighing just 5.15 pounds. This compact grey unit is ideal for users who prioritize space-saving design and targeted germ reduction over large room coverage.
What is the best grey air purifier for whole-house coverage?
The Nuwave OxyPure Smart Grey Tower is built for whole-house coverage and large open-concept rooms. It features high CADR ratings and washable filters for long-term savings. This grey tower unit measures 14 by 26 inches and includes a sleep mode for quiet operation in bedrooms.
See also
How this site works
- 822reviews published
- 2,323products with a score
- 2,260products with listed features
- 84brands covered
Prices, stock and specifications are read from the Amazon product listing. We do not run lab tests of our own; scores are out of 10, based on listed specifications and buyer feedback, not a verdict from a test bench. We track one retailer, so prices here are not a comparison.
