2 Pack 211+ Replacement Filter Compatible with Blueair Blue Pure 211+ Air Cleaner Purifier, Foldable Particle & Activated Carbon Filter, True HEPA Replacement Filter - VIEWALL, BP211F2Pack

• 【Compatibility】Blue Pure 211+ Filter Replacement with cotton and activated carbon filter can only compatible with Blueair Blue Pure 211 Plus Air Cleaner Purifier. And the upgraded universal PP cleaning brush is suitable for sweeper air cleaner purifier and vacuum cleaner, with its unique top design cut off the hair or thread wrapped around the filter element. 【2-Layer Filtration】The genuine HEPA compatible with Blue air cleaner purifier 211 plus replacement filter with Activated Carbon filter stages inside remove 99.97% of dust, pollen, smoke, odors, formaldehyde PM2.5, pet hair, and VOCs as small as 0.3 microns. 【Premium Quality】VIEWALL compatible with Blueair 211 filter / blue air 211 + filter replacement is made of high quality activated carbon and cotton, durable and long-lasting. 【Easy Installation】Our collapsible 211+ replacement filter for unfolds into a hollow cuboid shape, remove the older and dirty filter and replace the new one in just a few seconds. In order to improve the performance of the air cleaner purifier, please replace the blue 211 replacement filter every 6~8 months, according to the use of the air cleaner purifier and air quality to increase the frequency of replacement. 【Package】2 * HEPA Blue Pure 211/211+ Filters and 1 * Cleaning Brush. HEPA Filter Dimensions: 11.7"x 11.7"x 11.61". Collapsible size: 20.47"*11.61"*2.83". If you have any problems with the blue air 211+ filter, please feel free to contact us via our Amazon home page.