2 Pack 211+ Filter Replacement Compatible with 211+ Air Purifier

Perfect Compatibility: Our 211+ filter replacement compatible with 211+ Air Purifier 2 Stage Filter System: Activated Carbon filter and H13 True Hepa Filter High Efficiency True HEPA Filtration: The H13 true HEPA replacement filter can reduces up to trap 99.97% of particles as small as 0.1 microns in size Premium Quality: The filter is made of high quality non-woven fabric, constructed with premium HEPA 13 / MERV 17 to greatly improve the performance of your filter Easy to Install: We recommend you to replace filter for filter every 4 to 8 months for optimal performance