BLUEAIR Blueair Blue Pure 211i Max Genuine Replacement Filter, Blue Pure F2MAX to fit Blue Pure 211i Max Air Purifier

Letundrsquo;s clear the air. Blueair original filter for Blue Pure 211i Max air purifier. Blueair original Blue Pure F2MAX replacement filter for 211i Max is designed for optimal performance; not compatible with 221 and 3610. Get more out of your filter. Our proprietary RealTrack algorithm calculates the life of the filter based on actual usage and pollution and tells you when to replace it within 9 months. Subscribe to our subscription to save on automatic replacement of air purification filters. For similar CADR measurements, Blueair models with mechanical and electrostatic filtering achieved less noise with lower power consumption than the same models with only mechanical H13 HEPA filtering. Tested on PM 2.5 (0.1 - 2.5 microns) up to 90 minutes in a 30 m3 room. Tested for removal of at least 99.9% by S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.Based on a survey of more than 50 awards, awards and recommendations issued by independent consumer associations, media publications and industry competitions dated January 1, 2022. 31 , January 2023 for products awarded in the U.S. by the top 10 air purifier brands according to NPD Group Retail Tracking Service, Small Appliances, U.S. sales dollars Jan undndash; Dec 2022.