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 6135-01-579-3534
NSN 5985-01-477-9907
NSN 5950-01-045-3769
NSN 5999-01-509-6814
NSN 5835-01-193-0391
NSN 5910-00-420-3429
NSN 4140-01-116-8141
NSN 6650-01-272-1912
NSN 5996-01-067-4952
NSN 6610-00-834-0713
NSN 5950-00-716-6588
NSN 6240-01-062-4055