DuPont High Allergen Care Electrostatic Air Filters, 21-1/2inH x 19-7/8inW x 1inD, Pack Of 4 Filters

Making sure you have a clean air filter is an easy way to protect against mold, odors and allergens. These filters use micro filtration and Oguard technology to keep your air fresh. Micro filtration helps protect against allergens, pet dander, dust, pollen, mold spores, dust and more. Oguard Odor Reduction Technology keeps your space smelling fresh. Designed to last 3 months.