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 6320-01-296-3181
NSN 5975-00-556-1259
NSN 6105-01-089-9143
NSN 6135-00-904-6780
NSN 5975-00-940-3300
NSN 6150-01-429-3854
NSN 5905-00-813-2032
NSN 6685-01-095-8223
NSN 6145-00-299-7757
NSN 5965-01-181-3140
NSN 5930-01-372-2740
NSN 5915-01-412-1374