Nispira 211i Max Replacement Filter For Blueair Blue Pure 211i Max Air Purifier 3-in-1 Activated Carbon Filters, Compare to part # F2MAX. 2 Packs

The Nispira HEPA Replacement Filter protects against both gaseous and pollutants. Nispira filter removes smoke, odors from pets, cooking smells and VOCs chemical. Give you a peace of mind for fresh air. Moreover, the advanced polypropylene filter effectively removes particle size as small as 0.3 microns. Using a 360-degree air intake and up to 4 times the filter surface area than competing replacement filters. The Nispira Replacement Particle filter typically maintains air quality for six months to a year, with the actual lifespan influenced by environmental factors and fan usage. 2 Filter included. Dimension 13.5"L x 3"W x 9.4"Th. Suggest replacing the filter every 6 months the most to optimize the performance. Quality meets or exceeds the leading national brand's.