About This

• Compatible: 311Auto Filter Replacement-Compatible with Blueair Blue Pure 311 Auto Air Purifier Filter,Collapsible H13 True HEPA and Activated Carbon 3-in-1Replacement Filter。Not compatible with Blue Pure 311i+Max and 311iMax.
• Filter material: Compatible with Blueair 3431101000 Replacement Filter Use High Grade H13 HEPA and Activated Carbon to Help treat 99.97% of Airborne Particles Down to 0.1 Micron in Size, Effectively Filtering and Purifying air Quality.
• Applicable scenario: Compatible with blueair 311 auto Replacement Filter Can Be Used in the Room,Office,Living Room, Bedroom,Children's Room,Kitchen,Creating Fresh Air for Your Home, A Warm Home.
• Easy to replace: 311 Auto Filter Men and Women Can Replace the independently without tools. In order to ensure the filtration effect, we recommend that you change every 6 to 8 months（according to the usage).
• After-sales service: 311 Auto Genuine Replacement Filter provides 6 months of quality assurance. Please Contact Us If You Have Any Questions. We Provide Services 24 Hours a Day to do our Best to Solve the Problem.