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.

Blueair Classic 203S

Blueair Whisper silent performance

Blueair HEPASilent Technology

Blue air Airborne particle types

Blueair 203S Simple Controls

Blueair Lasting Performance

Blueair Intuitive Design

Blueair Certifications Awards

blueair classic family comparison



Room size

Up to 240 sq ft. (22 m²)

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