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 5945-01-575-0755
NSN 6240-01-192-5590
NSN 5996-01-123-9038
NSN 5990-01-411-1917
NSN 6220-00-230-4705
NSN 5975-01-371-4609
NSN 5920-01-460-2286
NSN 5960-01-297-0696
NSN 4140-01-458-9626
NSN 6240-01-506-6778
NSN 5915-01-263-1148
NSN 6685-01-146-8649