High-quality air : If you have very high air quality requirements, 211+ Filter can help you.
Replacement HEPA Filter Compatible with Blueair Blue Pure 211+ and MAX air purifiers, designed for a 360-degree air intake that promotes longer lifespan. Features a collapsible design for easy installation.
211 Filter Accessories Include : 211 Replacement Filters Contains 1 Pack Flet Filter and 1 Cleaning Brush.
Easy to Replace : No need to use any tools to replace, It is recommended to replace the 211 Filter within 120 days for optimum performance.
211 Filters Premium : Genuine HEPA filter captures 99.97% of airborne particles as small as 0.3 microns.