Cube Air Filter, Standard, Series: Duo-Cube, 20 in Width, 11 in Depth, 25 in Height, 1500 cfm, <lt/>20% Efficiency, 0.2 in WG Initial Resistance, 100% Synthetic Fiber Media

Koch Duo-Cube filters are medium efficiency, extended surface filters constructed of 100% synthetic fibers. In order to meet the requirements found in various air handling systems. Duo-Cubes are offered in three styles: Standard, Self-Seal and 3 Ply. All three designs are engineered to provide an excellent combination of efficiency and extended filter life cycles. Koch Filter® Cube Air Filter, Standard, Series: Duo-Cube, 20 in Width, 11 in Depth, 25 in Height, 1500 cfm, 20% Efficiency, 0.2 in WG Initial Resistance, 100% Synthetic Fiber Media