Airthereal ADH50B Air Purifier with 3 Filtration Stage True HEPA Filter for Small Room, Bedroom, and Office Whisper…

Amazon.com Price: $49.99 (as of 01/29/2023 09:44 PST- Details)

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TRUE HEPA FILTRATION: Airthereal’s 3 Filtration Stage True HEPA Filter will help you breathe easier by removing particles as small as 0.3 microns. A human hair has a diameter of around 50 microns, so our filter can remove particles that are 500 times smaller than a human hair.

SILENT OPERATION: Tired of lying in bed at night listening to the hum of your air purifier? No more! The max operating noise in sleep mode is a mere 22 decibels, making it even quieter than a whisper or a small public library.