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 7035-01-432-2424
NSN 6105-00-962-6830
NSN 5925-01-419-9833
NSN 6130-00-553-8758
NSN 7035-00-213-2387
NSN 5910-00-753-7581
NSN 5930-01-534-2285
NSN 6145-01-484-8735
NSN 5999-01-519-8595
NSN 5915-01-629-5322
NSN 6145-01-309-7827
NSN 5895-00-246-4415