18 in. x 18 in. Return Grille Media Air Filter - MERV 13

Long Lasting Air Quality These Honeywell Home High-Performance Return Grille Filters from Resideo help trap airborne dust, pollen, mold spores, bacteria and other allergens that pass through your HVAC system. They also last up to three times longer than standard one-inch filters, which mean less maintenance for improved indoor air quality.