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 5996-00-514-2113
NSN 5999-01-417-2123
NSN 5910-01-338-9326
NSN 5975-01-622-4878
NSN 7035-01-647-1561
NSN 6610-01-655-7644
NSN 6320-01-607-0347
NSN 5915-01-580-0308
NSN 2925-01-197-7864
NSN 6220-01-448-7515
NSN 6110-00-911-1567
NSN 5965-01-241-0553