SK metal filters, for cooling unit and Air/air heat exchanger, for SK 3302./3303./3361./3126., WHD: 265 x 200 x 10 mm, Metal filters, Aluminum, 265 mm, 200 mm, 10 mm, 10.4 in, 7.87 in, 0.39 in, 76169100, 1 pc(s), 0.419 lbs, 4028177325364, The use of washable metal filters is recommended, particularly in environments with dusty or oily ambient air. If air or steam condenses on the metal surfaces, any particles that may be present will adhere to the metal and are easily washed out with water or grease-dissolving detergents.