Blue Pure 511 Replacement Filter, Compatible with Blueair Blue Pure 511 Air Puri-fier, 3-In-1 True HEPA & Activated Carbon Filters, 2 Pack

Compatible Models: The 511 replacement filter is only compatible with Blueair Blue Pure 511 Air Cleaner to maintain its peak performance. It works as well as the original filter, keeping your 511 air Cleaner at its best working efficiency and capacity. | Not Compatible Models: , , , , , , , +. | Premium Material: Our 511 air filter replacement is made of high-quality non-woven fabric with premium True HEPA and activated carbon materials to greatly improve the performance of 511 filter replacement. We adopt advanced lower energy consumption and lower density structure technology, higher efficiency, and less pressure to ensure high-efficiency filtration | 3-In-1 Stage Filtration System: 511 True HEPA replacement filter is combined with a high-efficiency filtration system that has 3 layers of advanced filtration. The 511 HEPA filter effectively attaches 99.97% of airborne particles as small as 0.3 microns such as dust, pollen, pet dander, and other tiny particles. The Activated Carbon Filter swiftly and efficiently tackles household odors from pets, smoke, cooking, wildfires, and VOCs, ensuring a fresher and cleaner indoor environment | Replacement Frequency: The 2 Pack 511 replacement filter fully meets your needs for the replacement of 511 filters. To maintain optimal performance. It is recommended to replace the 511 replacement filter every 4-6 months. Meanwhile, the filter's usage time will depend on the environment and air quality around you | Easy Installation: It is fairly easy to install the 511 replacement filter, no tools are required. Take out and replace your machine unit when needed