Compatible with Winix air cleaner models A230 and A231
Fine Mesh Pre Filter The first line of defense against the largest airborne particles found indoors
True HEPA Filter Captures 99.97% of airborne allergens including pollen, mold spores, dust, pet dander, microbes, and smoke particles as small as 0.3 microns in size
Activated Carbon Filter Reduces VOCs and household odors from cooking, pets, and smoke. It is designed to catch airborne particles found indoors
Genuine Winix one year replacement filter set. For optimal performance, it is recommended to change the All in one True HEPA Canister Filter once every 12 months.