115115 HEPA Replacement Filters A for Winix PlasmaWave C535, 5300-2, P300, 5300, P300,6300, 5300-2, 6300-2 Air Purifier, Pack of 2 HEPA filter 8 Filter cotton

[COMPATIBLE MODELS] 115115 Size 21 filter A fit perfectly with Winix PlasmaWave Air Purifier Models 5300, 6300, C535, 5300-2, 6300-2, , P300, 9000, 5000, 5000B 115115 Replacement Filters A for Winix PlasmaWave C535, 5300-2, 6300-2, 5300, 6300, P300,9000, 5000, 5000B Air Purifier, 2 x True HEPA Size 21 Filter Plus 8x Carbon Pre-Filters [Why NEED CARBON PREFILTER] Without using carbon pre-filter, it's recommended to replace the Hepa filter every 6 to 8 months. But when used with C535 carbon pre-filter it can extend the replacement time of the Hepa to 12 months. [TRUE HEPA] The Winix 5300-2 H13 Medical Grade True HEPA Filter helps remove up to 99.97% of particles and impurities as tiny as 0.1 microns including dust, pollen, pet dander, pet hair, and more. [ACTIVATED CARBON] 115115 Carbon Filters trap large particles, extend the life of the True HEPA filter, and absorb odors in the environment such as volatile organic compounds(VOCs), tobacco smoke, and cooking odors. [1 Year Supply] Includes 4 carbon pre-filters for year-round use, recommended replacement carbon pre-filter once every 3 months, and change the True HEPA Filter once every 12 months.