For use with the Blueair 403 and 450E air purifies.

Blueair HEPASilent particle filter is the ideal choice for allergy and asthma sufferers as well as other health-conscious individuals that need high-efficiency particle removal. Patented HEPASilent filter technology generally provides higher filtration performance than other air purifiers, trapping up to six times more dirt. Fine polypropylene fibers effectively capture 99.97% of airborne particles. The Blueair 3-stage progressive filter effectively removes every type of particulate air pollutant including allergens, pollen, mold spores, dust, pet dander, bacteria, and viruses.
  • US Warranty 1 year limited warranty on defects in materials and workmanship.
  • Non-US Warranty: 30 days parts and labor
Blueair LIfetime Warranty Extension: Blueair warrants that your air purifier will be free from defects in material or workmanship for one (1) year from the date of purchase provided that you have replaced the filters with original Blueair replacement filters at least once every six (6) months (see “The Limited Warranty”) To extend the Limited Warranty from one year to LIFETIME, simply do the following:Become a Blueair Filter Club Member---- you must register and keep your Filter Club Membership active. If you become inactive, the LIFETIME Warranty is void.That's it! Not only will we remember your filter changes for you and send your new filters to your door free of any shipping cost, but we’ll keep your warranty active for as long as you are a member. Whether it’s 5, 7, or 10 years down the road, we’ll make sure your unit continues to deliver the cleanest, most refreshing air. Visit our Blueair Filter Club section and sign up today.