Pleated Air Filter: Wire-Backed Pleated, MERV 11, Synthetic, 16" High, 20" Wide, 2" Deep | PRO-SOURCE Pleated Air Filter: Wire-Backed Pleated, MERV 11, Synthetic, 16" High, 20" Wide, 2" Deep - Beverage Board Frame, 500 FPM, 1100 CFM, Use with Any Unit