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 6685-00-715-9254
NSN 5910-01-025-1247
NSN 6220-00-847-1520
NSN 6650-01-055-8146
NSN 5925-01-648-8151
NSN 5835-01-495-5986
NSN 6220-01-367-8711
NSN 5999-01-322-4906
NSN 7035-01-206-9143
NSN 6150-01-600-5371
NSN 6145-01-190-0382
NSN 6105-01-625-5032