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 5965-00-111-2073
NSN 6135-00-938-1351
NSN 4140-00-097-0167
NSN 7035-00-865-9105
NSN 6150-00-805-9557
NSN 6110-01-184-3191
NSN 6610-01-188-5215
NSN 5920-01-218-6191
NSN 6105-00-377-8206
NSN 6220-01-487-3904
NSN 5895-01-288-8285
NSN 5905-01-435-5033