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 6110-01-494-9709
NSN 4140-01-559-1936
NSN 5915-01-605-2203
NSN 6135-01-130-3145
NSN 7035-00-753-0695
NSN 6685-01-012-2597
NSN 5930-00-459-6594
NSN 5985-01-591-6406
NSN 5935-01-592-2592
NSN 6130-01-564-1795
NSN 5960-00-199-3875
NSN 7035-00-421-8710