The Winix True HEPA + 4 filter activated carbon replacement filter contains a True HEPA filter and 4 carbon pre-filters to free the air of dust, allergens and other particles Used to replace worn filters, helps remove allergens and other particles in the air while absorbing odors and volatile organic compounds Fits Winix Air Purifier Models C535,5300-2,6300-2,AM90,P300,5300,6300 Includes 4 carbon pre-filters for year-round use. Recommended replacement plan of the carbon pre-filter is once every 3 months. For optimal performance, it is recommended to change the True HEPA filter every 12 months The genuine HEPA filter captures 99. 97% of particles and impurities as small as 0. 3 microns › See more product details; Product description The Winix 115115 Replacement Filter A is a complete 1 year filter kit. The HEPA filter captures 99.97% of particles and impurities up to 0.3 microns, including pollen, mould, dust, pet dander and hair, other allergens and cigarette smoke. The 4-pack carbon filter traps large particles, extends the life of the HEPA filter and absorbs odours in the environment. Compatible with Winix Air Purifier Models C535,5300-2,6300-2,AM90,P300,5300,6300; Product description The Winix 115115 Replacement Filter A is a complete 1 year filter kit. The HEPA filter captures 99.97% of particles and impurities up to 0.3 microns, including pollen, mould, dust, pet dander and hair, other allergens and cigarette smoke. The 4-pack carbon filter traps large particles, extends the life of the HEPA filter and absorbs odours in the environment. Compatible with Winix Air Purifier Models C535,5300-2,6300-2,AM90,P300,5300,6300; The Winix 115115 Replacement Filter A is a complete 1 year filter kit. The HEPA filter captures 99.97% of particles and impurities up to 0.3 microns, including pollen, mould, dust, pet dander and hair, other allergens and cigarette smoke. The 4-pack carbon filter traps large particles, extends the life of the HEPA filter and absorbs odours in the environment. Compatible with Winix Air Purifier Models C535,5300-2,6300-2,AM90,P300,5300,6300 Model: Size: Color: White/Black