Genuine Winix Replacement Filter E for P450 and B451

It has a slim size that will fit your system and offer filtration. The Winix air filter replacement captures 99.97 percent of particles and impurities as small as 0.3 microns, including pollen, mold, dust, pet dander, and hair, along with other allergens and cigarette smoke. The carbon filters trap large particles, extending the life of the True HEPA filter and absorbing odors in the environment to keep your home smelling fresh. The genuine Winix air purifier filter is compatible with Winix Air Purifier units P450, providing a precision fit you can rely on. It's easy to store a backup for quick replacement each year with its compact size. This filter will provide your home with the clean air that you deserve to have for the whole family.