20x20x1 Arm and Hammer (TM) Air Filter
Arm & Hammer Electrostatic Air Filters Unscented odor fighting power of Pet Fresh (TM) . Technology aimed at managing pet and other common household odors is incorporated into the filter. Captures particles like pollen, dust, pet dander and a variety of other common airborne allergens. Filter last up to 90 days.
20x20x1 Arm and Hammer (TM) Air Filter Review
Unbelievable air filters. You will be surprised!