500/600 Series smokestop filter Kit for the Blueair model 501 and 601 air purifiers- One complete filter change with three enhanced HepaSilent filters of polypropylene (equal particle efficiency) with more activated carbon for better smoke and gas removal.
Customer Reviews:2010-05-15 (Southeastern MA) | Rating: 5
Say goodbye to "Ewww... what's that smell??!"2007-03-13 | Rating: 5


The new Blueair Model 503 and Model 603 from Blueair AB offer an improved three-state progressive filter design, maximum airflow and minimum noise for a clean, healthy living environment.
The two higher capacity in-room air purifiers designed for room sizes of up to 60 m2 using patented HEPASilent™ technology are now available from Blueair AB of Stockholm Sweden, and its network of over 30 dealers and distributors located throughout Europe, Asia and the Middle East.
Unique only to Blueair, the HEPASilent™ filter combines the best in electrostatic and mechanical filtration technology and allows delivery of more clean air with less noise than other air purifiers on the market.
Both units have an improved Clean Air Delivery Rate (CADR), now among the two highest in the industry. CADR measures how efficiently the unit removes common air contaminants such as pollen, smoke and dust and is used by many consumers to make comparisons between Source





