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 6135-01-202-8113
NSN 5935-01-145-4334
NSN 5990-01-644-3095
NSN 5990-00-130-7293
NSN 2925-01-118-6125
NSN 5935-00-932-3116
NSN 6130-01-631-7548
NSN 5950-00-534-7533
NSN 6135-00-321-6707
NSN 6110-00-127-9957
NSN 6145-01-495-0942
NSN 6145-00-485-0270