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 5895-01-482-1102
NSN 5975-01-576-9501
NSN 7035-01-202-8172
NSN 5996-01-181-7057
NSN 6150-01-284-7556
NSN 5935-01-359-4303
NSN 6685-01-646-6895
NSN 5999-00-069-4999
NSN 5985-00-908-0425
NSN 5915-01-043-7660
NSN 6110-01-398-0212
NSN 6145-00-647-3660