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Blueair 400 Series Replacement Particle Filter

Get $10 Kohl's Cash

to use April 1 through 8 details

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Ensure you're breathing the cleanest air with this Blueair replacement particle filter.


  • Particle filter captures most airborne particles including viruses, dust, mold, bacteria, pollen and more
  • Compatible with all Blueair 400 series air purifiers


  • 21"H x 10"W x 3.8"D
  • Model no. 402PF

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Rated 5 out of 5 by from Works The filter is pricy to me but as long as that machine works, what could you ask for?
Date published: 2018-03-06
Rated 4 out of 5 by from Nice product Bought for post-operative respiratory concerns. Kept using even after recovery. easy installation. No idea of air quality analytics. Mostly an intuitive decision. Somewhat pricey making me push the limits for re-order time.
Date published: 2017-07-27
Rated 5 out of 5 by from This unit saved my life We bought the Blue Air purifier and 400 series filter 3 years ago after moving to an area that sent me into an allergy crisis that landed me at the doctors office needing steroid shots to calm the reaction. The doctor told me to move out of the area. Desperste for relief I went on line, studied the systems and decided to buy a Blue Air unit and filter. The allergic reaction went away when I ran the purifier and stayed indoors. I was able to get back to normal and eventually moved. This year we had really bad fires, and again, the purifier and filter made all of the difference. We bought the filter right as the fires broke out and were able to stay indoors with it while the air quality outside was terrible and even stung your eyes when you ventured out. I would definitely recommend tgis to anyone who has terrible allergies ornlives in an area with bad air quality. We would buy the unit and filter again. My husband swears by it now and we are thinking of getting one for our daughter.
Date published: 2017-12-29
Rated 5 out of 5 by from Filter We are happy with our replacement filter. We were unable to find one in any store. We were happy with how fast the order was processed and delivered.
Date published: 2016-12-28
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