Air purifiers

Classic 205



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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 Wi-Fi enabled Blueair Classic 205 is the right-sized air purifier for a small room that's up to 279 ft2 (26 m2). At a convenient 24 lbs (11 kg), it weighs less than a typical carry-on bag, so it’s easy to move to wherever it’s needed most. Great for bedroom air that improves sleep and is virtually free of allergy and asthma triggers.

A digital control panel with easy-to-read LED icons lets you see the status of your air purifier’s Wi-Fi connection, operating speed and filter. Adjusting operation is easy with touch controls. You can also download the Blueair Friend app and connect it to the Classic 205 for remote control from any smart device, whether at home, at work or at play.

Add our Blueair Aware Air Quality Monitor and connect to the Blueair Friend app to check room air quality and confirm that the air is fresh, clean and energizing for everyone you love.

Though small, the Classic 205 delivers solid performance with its compact fan design, large filter surface, and HEPASilent™ technology, which combines electrostatic and mechanical filtration technologies. This combination delivers high Clean Air Delivery Rate (CADR) with whisper-silent operation and high energy efficiency. In fact, all our Classic air purifiers work so quietly that you might have to check to make sure it’s switched on. And on its low setting, the Classic 205 uses about as much electricity as a light bulb.
Room Size
279 ft2
24 lbs
Air Changes
5 per hour
Yes (via Blueair Friend App)
Sound Level
32 - 56 dB(A)
Fan Speed
1 2 3
Area & Effect
Room size
279 ft2 (26 m2)
CADR (Smoke)
180 cfm (306 m³/h)
CADR (Dust)
200 cfm (340 m³/h)
CADR (Pollen)
200 cfm (340 m³/h)
Air changes per hour
Classic 205
Dimensions (H x W x D)
21 x 17 x 9 in (533 x 432 x 209 mm)
Product weight
24 lbs (11 kg)
Energy consumption
20 - 80 W
Sound level
32 - 56 dB(A)
Integrated air sensors
Air outlet
Air inlet
Remote control
Yes (via Blueair Friend App)
On/off timer
Yes (via Blueair Friend App)
Filter replacement indicator
Speed control options
1 2 3
Wi-Fi connectivity
Compatible with 802.11 b/g/n router on 2.4GHz Wi-Fi Network band. Network security; open, WEP, WPA, & WPA2

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