13x20x4 MERV 11 Air Filter

13x20x4 MERV 11 filters made and manufactured by FilterBuy. Actual Size 13x20x4". Attracts and captures pet dander, lint, dust, pollen, dust mite debris, mold spores, smoke, and smog.. Ideal for standard and residential commercial use. Designed to last 90 days. Replace regularly for optimum performance.. Free shipping on all orders!

Source reference: https://filterbuy.com/air-filters/13x20x4/merv-11/