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 5855-01-572-4521
NSN 6130-01-010-0407
NSN 5905-01-072-8061
NSN 5945-01-281-7259
NSN 6645-00-287-9192
NSN 5905-00-071-2005
NSN 6130-00-269-8273
NSN 7035-01-287-9817
NSN 5945-00-253-5200
NSN 2925-01-619-4825
NSN 5975-01-397-2088
NSN 5975-01-486-3405