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 6110-01-323-5273
NSN 6620-00-215-1996
NSN 6150-01-511-8644
NSN 6220-00-775-0214
NSN 5985-00-333-9603
NSN 5905-01-607-6903
NSN 5950-01-415-5752
NSN 5985-01-072-5896
NSN 6685-01-067-9370
NSN 2925-01-655-0562
NSN 6150-01-036-0646
NSN 5945-00-226-2013