About this item

• 【Fully Compatible】: The 311i Max filter fully compatible with Blueair Blue Pure 311i Max air purifiers, compare to part No. F3MAX. NOT compatible with Blue Pure 311i+ Max/ 311 Auto/ 311 (Non-Auto) air purifiers, please confirm your machine model before order.
• 【H13 True HEPA Air Filter】Our 311i Max filter replacement made of H13 true HEPA air filter and a high-efficiency activated carbon filter for good clean filtration and performance. It's can attach most airborne particles, like dust, pet dander, pollen, household odors from smoking, cooking and pets.
• 【High Efficiency Filtration】This 311i Max air filter are capable of attaching 99.97% of airborne particles down 0.01 microns, and the carbon filter helps you solve the problem of unpleasant odors, so no need to worry about any air problems anymore, just enjoy a healthy life with your family.
• 【Cost-Effective】Package includes 2 Pack for Blue pure 311i max filter. Keep a close eye on your filter life, it is better to replace F3max replacement filter for 311i max every 6-9 months for optimal performance depending upon your usage and environment.
• 【Shop With Confidence】 isinlive adhere to provide all customers with the best customer service experience. If you have any quality problem for Blueair 311i max filter during usage, please contact isinlive customer service team.