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 5999-01-379-8495
NSN 6105-00-028-6939
NSN 5925-00-939-4979
NSN 5905-01-180-0554
NSN 6620-00-930-3970
NSN 5990-00-419-7584
NSN 6145-01-441-2630
NSN 5910-01-054-2543
NSN 5975-01-348-8938
NSN 6150-01-043-0155
NSN 5925-01-659-2101
NSN 5996-00-248-7061