H13 True HEPA:Hapf600 hepa filter Made of very fine organic fibers interwoven,it has a strong ability to capture Dust, tiny pore size, high adsorption capacity, high purification efficiency, and water absorption, with a purification rate of 99.97% for 0.3 micron particles.
Carbon pre-filters:Help to eliminate odors from pets, cooking, smoke, and more.Pre-Filters also help to extend the life of the HEPA filter by capturing larger airborne particles.
High quality material:Holmes hapf600 uses high efficiency filter paper,compatible with holmes.High melting point, low resistance, high efficiency, high strength, filtration effect can reach H13 level.
Value Pack:3 HEPA filters and 6 carbon filters. For the best filtration effect, we recommend you to replace the HEPA filter every 4-6 months, and replace the pre-filter once every 2-3 months.