Arm & Hammer Maximum Allergen & Odor Reduction Air Filters, 20inH x 20inW x 1inD, Pack Of 4 Air Filters

Use one of these air filters in your home to help trap and eliminate most common allergens and odors. The filter works for up to 3 months and is built to help improve the overall air quality in your home. Designed to trap allergens and odors to help improve the air quality in your home. Electrostatically charged filter is 87% effective at reducing the presence of large airborne particles. Effective against pollen, pet dander, dust mite spores, dust, household lint, mold spores, microscopic allergens, smoke, VOCs and more. Filters for up to 3 months.