2 Pack 311i Max Replacement Filter Compatible with Blueair Blue Pure 311i Max Air Purifiers,H13 True HEPA Filter and Activated Carbon Filter, Blue Pure F3MAX

Compatible Models: Our 311i Max Filter Replacement is perfect for the Blue Pure 311i Max air purifier. Please check your air purifier model!It works just as well as the original.
Premium Filtration: The 311i Max Replacement Filter works with a high-efficiency 2-stage filtration system. The H13 True HEPA filter can catch 99.99% of airborne particles as small as 0.1 microns, and the carbon filter helps to get rid of smells, smoke, VOCs and more.
High-Quality Filter：The 311i Max True HEPA Filter Replacement is made of a high-quality non-woven fabric and is constructed with a premium HEPA 13 filter. We use technology that uses less energy and is less dense, and that is more efficient and less pressure-sensitive, to make sure that it filters as well as possible.
Easy To Install: The 311i Max HEPA Filter Replacement is easy to install, you don’t need any tools. Replace every 6-8 months or when you use it up, depending on how often you use it and what the environment is like.
Cost Effective Filter：Package contains 2 Pack 311i Max Air Filter, The 311i Max filter is a great option to your healthy breathing. If you have any problems, please contact us by email.