Classic 203 Slim
The Blueair Classic 203 Slim takes up so little space, yet it delivers solid clean-air performance. A great choice for smaller-sized rooms where you and your loved ones want to breathe easy.
Filters the air in a 240 ft² space in about 12.5 min¹ (4.8x an hour, based on AHAM recommended removal rate) to effectively lower particle levels and maintain a comfortable environment in medium spaces like master bedrooms, living rooms, and playrooms.
Comes standard with a particle filter to remove airborne allergy and asthma triggers like pollen, dust, pet dander, mold, smoke and more.
Whisper quiet on the lowest speed (32 dB) and equivalent to the noise level of rainfall on the highest setting (56 dB).
Energy-efficient engineering allows this purifier to use less energy than an incandescent lightbulb on its lowest setting at 20W and up to 80W on high. Confidently run it for quality air 24/7.
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Wi-Fi connectivity for remote controlno
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On/off timerNo
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Filter replacement indicatoryes
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Speed control options1 - 2 - 3
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WheelsNo
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Integrated air sensorsNo
Items packaged individually within box - please read manual for set-up instructions.
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Dimensions(HxWxD)21 x 17 x 8 in
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Product weight24lbs
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Energy consumption20 - 80 W
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Sound level32 - 56 dB(A)
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Air outletTop
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Air inletBack
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Recommended room size240 ft2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR) - Pollen155 cfm (263 m<sup>3</sup>/h)
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Clean air delivery rate (CADR) - Dust155 cfm (263 m<sup>3</sup>/h)
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Clean air delivery rate (CADR) - Smoke155 cfm (263 m<sup>3</sup>/h)
Guarantee clean air for years to come with up to 5-years of warranty coverage when you register your air purifier.
Press the Wi-Fi and filter buttons simultaneously for at least 3 seconds. To turn on the Wi-Fi function again, press only the Wi-Fi button for at least 3 seconds.
Press and hold down the LED button for 10 seconds to reset the replacement filter indicator.
First, make sure your Wi-Fi network is connected to the internet, and check that your network name and password are correct. You can also try unplugging the cord from the electrical outlet and plugging it back in again.