LifeSupplyUSA 2 True HEPA Replacement Filter Designed To Fit Winix 119110 Size 21 2 Filters for Winix plasma wave air cleaner model 9000 - 4-stage replacement filter cartridge Fits Winix Part Numbers: 119110, 115115, 115119, 115122 - Convenient all-in-one replacement cartridge True-HEPA Filter Brand new individually sealed complete cartridge set replacement - all-in-one replacement cartridge Removes 99.9% of Particles. Includes pre-filter, nano-silver mesh, and washable carbon filter