18x24x1, Purolator DMK80 Extended Surface Pleated Air Filter, Mechanical MERV 8, (6 Pack)

,Rust-protected, expanded metal support grid made of galvanized steel Heavyduty board frame Pleat consistency maximizes performance, aqua and moistureresistant media frame and adhesive, Synthetic media does not supportmicrobial growth, Low pressure drop with high dust holding  Mechanical efficiency, Durable and damage resistantconstruction, Engineered and designed for high strength and rigidity. Industry's largest Inventory • Proudly made in the U.S.A