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Air purifiers

Classic 203 Slim

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$249.99

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Subscribe today and enjoy a 5% discount on all future filter orders, always free shipping, and other special offers. Simplify filter replacement and enjoy always clean air with four filter delivery options to fit your air purifier use. We recommend replacing your Blueair filter every 6 months for optimal performance.

The Blueair Classic 203 Slim takes up so little space, yet it delivers solid clean-air performance for rooms up to 240 ft2 (22 m2). A great choice for smaller-sized rooms where you and you loved ones want to breathe easy.
The Classic 203 Slim is lightweight and easy to move around your home. With its compact fan design and huge filter surface, it delivers solid performance, freeing your home of allergy and asthma triggers. Fits easily into even the smallest of rooms.

To ensure you always get clean air, the Classic 203 Slim comes with a timer to alert you when your filter needs to be changed. The magnet on the back allows you to attach the timer to your unit or other magnetic surfaces.
Room Size
240 ft2
Recommendation is based on five air changes per hour and assumes a ceilings height of 8 ft.
Weight
24 lbs
Air Changes
5 per hour
The rate at which the volume of room air is fully exchanged. One air change per hour, or 1 ACH, will lower particle levels in the air, while 5 ACH will maintain the lower particle level.
Timer
No
Sound Level
32 - 56 dB(A)
Fan Speed
1 2 3
Area & Effect
Room size
Recommendation is based on five air changes per hour and assumes a ceilings height of 8 ft.
240 ft2 (22 m2)
CADR (Smoke)
Clean Air Delivery Rate (CADR), indicates the volume of filtered air delivered by an air cleaner in cubic feet per minute. The higher the tobacco smoke, pollen and dust numbers, the faster the unit filters the air.
155 cfm (263 m3/h)
CADR (Dust)
Clean Air Delivery Rate (CADR), indicates the volume of filtered air delivered by an air cleaner in cubic feet per minute. The higher the tobacco smoke, pollen and dust numbers, the faster the unit filters the air.
155 cfm (263 m3/h)
CADR (Pollen)
Clean Air Delivery Rate (CADR), indicates the volume of filtered air delivered by an air cleaner in cubic feet per minute. The higher the tobacco smoke, pollen and dust numbers, the faster the unit filters the air.
155 cfm (263 m3/h)
Air changes per hour
The rate at which the volume of room air is fully exchanged. One air change per hour, or 1 ACH, will lower particle levels in the air, while 5 ACH will maintain the lower particle level.
5
Classic 203 Slim
Dimensions (H x W x D)
21 x 17 x 8
Product weight
24 lbs (11 kg)
Energy consumption
20 - 80 W
Sound level
32 - 56 dB(A)
Integrated air sensors
No
Air outlet
Top
Air inlet
Back
Features
Remote control
No
On/off timer
No
Filter replacement indicator
yes
Speed control options
1 2 3
Casters
No
Wi-Fi connectivity
No