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 6135-01-588-2662
NSN 5920-01-256-4162
NSN 5895-00-586-1068
NSN 5925-01-271-3300
NSN 6110-01-630-7822
NSN 5915-00-364-3650
NSN 5835-01-435-4139
NSN 6620-00-816-9755
NSN 5935-01-211-7821
NSN 6240-01-297-8656
NSN 6135-00-321-6707
NSN 5985-00-064-5963