Blueair Classic 405 Air Purifier

£415.83 Excluding UK VAT

Delivery in Mainland UK from £8.50

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Product Information

Recommended by Asthma Allergy Nordic, this quiet, compact air filtration unit is ideal for anyone looking to improve the air quality in mid-sized rooms of up to 40m2.

The Nordic independent test institute, Testfakta, has rated it as the best performer compared to nine other brands, whilst MailOnline journalist, Alice Smellie, also ranked it more highly than the other competitor models that she tested.

Using Blueair HEPASilent Technology to remove virtually all airborne pollutants, the Classic 405 removes dust, pollen, viruses, bacteria and other irritants down to a particle size of 0.01 microns.

Testing by the accredited CAS Test Technical Services measured a 99.99% removal rate of the 12 most common viruses and bacteria by the Classic 280i, Classic 480i and Classic 680i, including swine flu (H1N1), E. coli, and Enterovirus (EV71).*

Wi-Fi enabled and compatible with the Blueair Friend app, the 405 has a user-friendly interface with LED-button control and icons, so that you can easily check operating speed and filter status.

And you don’t need to worry about it being too noisy as it only generates between 32 – 52 dB(A) depending on the setting.


Technical specifications:

Room size: 40m2 (434 sq ft)
Filter type: Particle filter
CADR (smoke): 476m3 per hour (280 cfm)
CADR (dust): 510m3 per hour (300 cfm)
CADR (pollen): 510m3 per hour (300 cfm)
Air changes per hour: 5
Dimensions (H x W x D): 590 x 500 x 275 mm (23 x 20 x 11 in)
Weight: 15 kg (33 lb)
Energy consumption: 15 – 90 watts
Sound level: 32 – 52 dB(A)
Integrated air sensors: No
Remote control: Yes (via Blueair Friend App)
On/Off indicator: Yes (via Blueair Friend App)
Filter replacement indicator: YES
Speeds: 1 – 2 – 3
Casters: Optional
Air outlet: Side
Air inlet: Side
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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