25x20x15 Duo-Cap Air Filter Cartridge2-Ply, Koch 103-701-013 (10 pcs) voomi_id_70409 5 inch H2O when tested

5 inch H2O when tested in accordance with ASHRAE standard 193

It is designed to handle high-temperature applications

Compatible with natural gas applications

ANSI/NSF 372

25x20x15 Duo-Cap Air Filter Cartridge2-Ply, Koch 103-701-013 (10 pcs) voomi_id_70409 5 inch H2O when testedKoch Duo Cap Cartridge Filters are constructed with a progressively dense synthetic media. (Also available with microfiberglass upon request). This graded density construction ensures low resistance to air flow, high dust holding capacity, and prolonged filter lifecycles. Duo Cap is designed to fit Cambridge Filter Corporation Hi Cap and SideCap frame systems without modification to existing framework. Features: Medium Efficiency Extended Surface