2-Pack 511 True HEPA Replacement Filter Gazeer Compatible Blueair Blue Pure 511

2-Pack Gazeer 511 True HEPA Replacement Filter Compatible Blueair Blue Pure 511 2 Pack of True HEPA Replacement Filters is in new unused condition. Please see all photos as they are part of the description. Comes from Smoke Free Home - Fast Shipping! ABOUT THIS ITEM * 【Compatible Models】For Blueair Blue Pure 511 air purifier.(Note: For Blue Pure 511 only, please check your air purifier model number!)Size:2.7 x 8.2 x 11.2inches,Package includes 1*filter. * 【Premium Quality】511 replacement filter made of H13 HEPA and activated carbon, is durable and long-lasting,allowing the filter to last longer, and has a collapsible design. * 【Superior Filter System】The 511 Replacement Filter is designed with a 2-in-1 filtration system, the HEPA filter filters 99.97% of airborne particles as small as 0.3 micron, such as pollen, dust, pet dander and particulates. The activated carbon filter removes household odors from cooking, smoke, wildfires, and volatile organic compounds faster and more effectively. * 【Replacement Suggestion】To keep the air clean, we recommend replacing the filter every 6 months (depending on use and environment). Unplug the unit before installation. To install, simply remove the old and dirty filters and replace them.