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 5910-00-355-4786
NSN 7035-01-500-8606
NSN 5975-00-146-7925
NSN 5855-00-560-0110
NSN 5945-01-055-8159
NSN 6650-01-311-5668
NSN 5930-00-561-7847
NSN 6145-01-057-0962
NSN 5930-00-491-0878
NSN 6110-00-518-2998
NSN 6135-01-226-4071
NSN 6130-00-422-1761