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 5999-01-076-9074
NSN 5925-00-846-7090
NSN 4140-00-724-6337
NSN 6240-01-059-9909
NSN 6610-00-181-5353
NSN 5965-00-876-2378
NSN 6240-00-470-7625
NSN 5910-01-252-9182
NSN 7035-01-227-2546
NSN 6110-01-099-6893
NSN 5960-01-226-7297
NSN 6320-00-695-3891