Accumulair Gold Air Filter

For Air Conditioner, Furnace - Remove Mold Spores, Removes Mildew, Remove Bacteria, Remove Micro Organisms, Remove Allergens, Remove Dust, Remove Smoke, Remove Pet Dander, Remove Dust Mite - 21" Height x 23" Width x 1" Depth - 4 / Carton. Electrostatically charged material attracts particulates for clean airflow. High-quality design provides 20 times more efficiency than ordinary filters.