The unit is then set to one of the lower settings to provide continuous, practically silent filtration of the room air. The Blueair 501 also includes a five-year limited warranty on all components except filters, which covers everything except misuse. Room size of 550 s.f. We sell over 250,000 items from over 500 manufacturers and have access to thousands more. Volume discounts available.
Business accounts available with approved credit.
No minimum order.