A replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. The removal of particles is accomplished by porous, fibrous or shredded material (metallic or non-metallic) which is loosely woven or matted, the shape of which may be maintained by stiffening or binding material. It is designed to fit into a filter element, air conditioning or for direct application to air conditioners, ventilation systems, hot air furnaces, and electrical and electronic equipment which have retaining devices. It may be furnished in custom size form or in a continuous length. Excludes filtering pad, air cooler; and filtering roll, air conditioning. Excludes bulk materials not specifically designed for filtering. See also insulation blanket, thermal; plastic material, cellular; rubber sheet, cellular.
NSN 6150-01-102-9374
NSN 5990-00-435-8301
NSN 5945-01-413-7911
NSN 5945-01-412-5932
NSN 5855-00-631-4565
NSN 6130-00-824-4551
NSN 6320-01-418-6681
NSN 5996-01-020-5759
NSN 5998-01-600-1693
NSN 5998-01-305-7123
NSN 6135-01-377-5729
NSN 6620-01-601-4314