Arm & Hammer Enhanced Pet Fresh Air Filters, 20inH x 20inW x 1inD, Pack Of 4 Filters

Free your homes air from foul odors and pet dander with help from this Arm & Hammer Pet Fresh Air Filter. Its micro-filtration design removes unwanted particles and scents for up to 3 months, so you can breathe easier. Micro filtration helps clear odors and dander from the air. Effective against pollen, mold, pet dander, dust mites, dust, smog, household lint and more. Easy-to-use design enable simple installation. Provides reliable filtration for up to 3 months before needing to be changed. One time use only.