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 5950-01-347-5837
NSN 5990-00-104-4903
NSN 6105-01-246-0008
NSN 7035-01-008-7248
NSN 6110-00-375-2522
NSN 5855-01-521-4836
NSN 5960-00-319-8436
NSN 6145-01-230-0058
NSN 5910-00-035-5534
NSN 5920-01-447-7953
NSN 5950-00-513-6474
NSN 5945-01-649-1372