Classic 405
The Classic 405 delivers high performance thanks to HEPASilentᵀᴹ technology, which combines electrostatic and mechanical filtration technologies.
This combination, pioneered by Blueair delivers high Clean Air Delivery Rate (CADR) with whisper-silent operation and high energy efficiency. In fact, the Classic 405 works so quietly that you might have to check to make sure it’s switched on.
Filters the air in a 434 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.
The Classic 405 air purifier allows you to take full control of your indoor air quality with intelligent smartphone control and Alexa compatibility.
Comes standard with a particle filter to remove airborne allergy and asthma triggers like pollen, dust, pet dander, mold, smoke and more.
Get clean air while you sleep without noise disruption. Quiet Mark approved for operating at a whisper quiet 32 dB on its lowest speed, and no louder than the 52 dB white noise of a floor fan on its highest speed.
Completely filters room air at the industry recommended rate of 4.8x an hour to effectively lower particle levels (rooms up to 40 m²).
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Wi-Fi connectivity for remote controlYes
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On/off timerYes (via Blueair App)
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Filter replacement indicatorYes
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Speed control options1 - 2 - 3
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WheelsOptional
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Integrated air sensorsNo
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Dimensions(HxWxD)590 x 500 x 275 mm
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Product weight15kg
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Energy consumption15 - 90 Watts
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Sound level32 - 52 dB(A)
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Air outletSide
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Air inletSide
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Recommended room size40 m2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR) - Pollen510m³ per hour (300 cfm)
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Clean air delivery rate (CADR) - Dust510m³ per hour (300 cfm)
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Clean air delivery rate (CADR) - Smoke476m³ per hour (280 cfm)
Guarantee clean air for years to come with extended warranty coverage when you register your air purifier.
The 480i model comes with a built-in sensors for particles (PM2.5), and gases/Volatile Organic Compounds (VOC), temperature and humidity, as well as the AUTO mode setting.
Press and hold down the orange filter status LED 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 unglugging the cord from the electrical outlet and plug it back in again.
To extend the Limited Warranty from one year, simply complete the product registration form within (60) days of purchase or register through the Blueair mobile app.
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.