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 5835-00-552-6387
NSN 5960-00-474-0095
NSN 6110-00-816-7444
NSN 5855-01-616-2721
NSN 5920-00-285-2245
NSN 5855-00-631-4565
NSN 5985-01-547-0735
NSN 6645-00-256-4072
NSN 5985-01-599-0361
NSN 5905-01-398-0255
NSN 5930-01-646-4155
NSN 5950-00-515-5402