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 5996-01-555-9489
NSN 6645-01-493-2620
NSN 5930-00-636-8888
NSN 6645-01-658-5624
NSN 6110-01-096-6084
NSN 5910-01-580-4889
NSN 5945-00-678-1672
NSN 5930-01-237-8412
NSN 5915-01-567-8298
NSN 5935-00-832-9946
NSN 5925-00-194-9146
NSN 5950-01-367-1060