Blue Pure 311i MAX AllergenBlock Replacement filter Compatible with Blueair 311i Max Air Purifier, H13 True HEPA with Activated Carbon Air Filter,Blue Pure F3MAX, Not for 311 i+ Max

Perfect Compatibility311i Max AllergenBlock replacement filter is fully compatible with Blue Pure 311i Max Air Purifier.F3MAX AllergenBlock Filter.Not compatible with Blue Pure 311i+ Max or 311 Auto | High Efficient The 311i Max filter including H13 True HEPA Filter and Activated Carbon Filter work together to help increase the filtration efficiency of your Blue Pure 311i Max air purifier, attaching airborne particles and unwanted odors in your living space for improved air quality. | HEPA & CarbonDesigned with H13 Grade True HEPA Filter captures 99.97% of harmful airborne particles down to 0.1 microns, The activated carbon filter efficiently cleans household odors from smoking, pets. Creating fresh air for you and your family | AllergenBlockIt is suitable for asthma patients or people with sensitive respiratory systems. It can capture airborne debris and irritants in the indoor, helping to re-duce symptoms such as sneezing, coughing and sinus irritation caused by indoor air pollution. | Cost-EffectivePackage includes 2 Pack F3max replacement filter for Blue Pure 311i max air purifier. Keep a close eye on your filter life, it is better to replace your 311i max replacement filter every 6-9 months for optimal performance depending upon your usage and environment.