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 5835-01-072-6760
NSN 5905-01-442-7303
NSN 6620-00-321-0134
NSN 5996-01-473-2183
NSN 6145-01-555-8131
NSN 6130-01-448-9354
NSN 5915-01-074-4298
NSN 5950-00-738-4904
NSN 6135-00-223-9563
NSN 5935-01-534-3120
NSN 5965-00-997-5764
NSN 6650-01-169-6367