20x20x4 MERV 14 Parker LoadTECH High-Efficiency Extended Surface Mini-Pleat, Single Header1136513 $175.52 SKU: 1136513 Back $175.52 Quantity -+ Add to Cart Details 20x20x4 MERV 14 Parker LoadTECH High-Efficiency Extended Surface Mini-Pleat, Single Header DetailsBackDetails20x20x4 MERV 14 Parker LoadTECH High-Efficiency Extended Surface Mini-Pleat, Single HeaderSee MoreSee Less