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 5835-01-608-3319
NSN 6110-01-244-4986
NSN 6610-00-292-9895
NSN 5855-00-256-5562
NSN 6150-00-432-3311
NSN 5960-01-205-7425
NSN 6320-01-089-9086
NSN 4140-01-610-9968
NSN 5985-01-081-4104
NSN 5990-01-277-2118
NSN 5915-01-196-6016
NSN 5855-01-534-3063