311i+ Max Filter Compatible with Blueair Blue Pure 311i+ Max Air Purifier, H13 Activated Carbon Air Filter,part F3MAX+ 2 Pack

This 311i+ Max replacement filter compatible with Blueair Blue Pure 311i+ Max air purifiers, NOT compatible with Blue Pure 311i Max 311 Auto Non-Auto, please confirm your machine model before order | Efficient Filtration System: H13 level filter/Carbon Combo Filters, 99.97% efficiency against things 0.3 microns or larger. for Dust, Pollen, Smoke, Odors and Pet Dander | Economical and efficient filters: The package includes 2 H13 + carbon filters.Made of high-quality materials and advanced technology, they have little odor and are safe to use | Easy to install: We recommend that you replace the filter every 6-12 months for optimal performance.Installing the filter is quite easy and requires no tools.Simply remove it from the machine unit and replace it when needed | Shop with confidence: The Sikidink team is always ready to assist you and provide the best customer service experience. If you have any questions about our filters, please feel free to contact our customer service team, and we will definitely help you solve the problem