Replacement Particle Filter for Blueair 500/600 series air purifier (set of three) for the Blueair model 501 and 601 air purifiers. One complete filter change - 3 standard HEPASilent filter of polypropylene (traps particles). Updated by Blueair, this filter is now more efficient and does not have a carbon filter.
Customer Reviews:2010-08-05 | P.W. | Rating: 5
Great Value2010-04-21 | Mom Mill (Texas) | Rating: 4
Replacement filter for Blueair 5012010-04-10 (Boston, MA) | Rating: 4

The nation’s smog and air pollution outdoors has slowly improved over the decades, but what about the air we breathe most? Studies indicate that many people reside indoors 90% of their lifetime, more so if they suffer from allergies and asthma. The Environmental Protection Agency has ranked indoor pollution as the worst environmental health problem in the nation. Air pollution in the home is 2 to 10 times worse than any found outside. The solution for clean air indoors and a healthier family can be found with the Blueair 601 air purifier.
The HEPA Silent Technology utilizes a combination of electrostatic and mechanical filters to deliver clean air quickly with very little noise. The Blueair 601 has three operational speeds with six air changes per hour. On the lowest speed, you will not know the purifier is working while the medium speeds produce a low sound comparative to white noise. Medium speeds produce a low sound comparative to white noise and the top speed can be heard running.
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