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 5895-00-525-3295
NSN 5975-01-236-3270
NSN 5985-01-386-4419
NSN 5999-00-081-6721
NSN 5965-01-142-8044
NSN 5945-01-484-4901
NSN 5930-00-403-4269
NSN 5910-01-488-4473
NSN 6135-00-078-9931
NSN 5925-01-322-7569
NSN 7035-01-580-0610
NSN 5915-01-469-5954