High-Efficiency Filtration System: Brightify HEPA filter replacement for Winix 115115 combines 2 efficient True HEPA and 8 Odor Absorbing Carbon Pre-Filters A to capture unseen particles suspended in the air and provide users with clean air. The true HEPA filter can capture 99.97% of particles as small as 0.3 microns, such as dust, hair, pet fur and lint, and absorb household odors from pets, cooking, smoking, wildfires and other harmful VOCs in air; while the 8 Pre-Filters can absorb unpleasant odors. Compatibility: Brightify air filter replacement are compatible with Winix 115115, Size 21, Plasma Wave 5300 6300 5300-2 6300-2 P300 Winix C535 ( WAC5300, WAC5500, WAC6300, 5000, 5000b, 5300, 5500, 6300 & 9000) Air Purifiers. Incredible Value: Brightify filter replacement for winix c535 air purifier includes 2 true HEPA filters and 8 carbon pre-filters A. The true HEPA filter is made of excellent filter paper material to ensure its quality and works as the original. You can get high-cost performance filter replacements with less money. Maximize Performance: To maximize performance, it is recommended to replace the true HEPA filter every 6 months; while the carbon pre-filter A should be replaced every 3 months. Easy to Install: No tools are required. Just remove and replace the filter from your air purifier unit when needed. Size of the Filter: The HEPA Filter Dimensions: H: 16.3" x L: 12.4" x W 1.2"; Carbon Filter Dimensions: H: 16.3" x L: 12.4" x W 0.2". Brightify filter for Winix Air Purifiers is the perfect replacement for your Winix 115115, Winix C535, Winix 5300, Winix 5300-2, Winix 5500, Winix 5500-2 Air Purifiers and more Winix PlasmaWave purifiers. Easy To Install: No tools are required. Just remove and replace the filter from your air purifier unit when needed. 2 True HEPA Filters + 8 Carbon Pre-Filters A for Winix Air Purifier