The Winix 113050 Replacement Filter C is a complete one-year filter set. The True HEPA Filter captures 99.97%* of particles and impurities as small as 0.3 microns, including pollen, dust, pet dander and hair, other allergens, and cigarette smoke. The 4-pack Carbon Filters trap large particles, extending the life of the True HEPA filter and absorbing odor in the environment. The genuine Winix Filter C is compatible with Winix Air Purifier units P150 and B151.
*Based on an independent laboratory test conducted on particles as small as 0.3 microns in size.
