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 5985-01-115-2372
NSN 6110-00-243-6607
NSN 6220-00-902-7328
NSN 5975-00-373-5066
NSN 5965-00-161-0795
NSN 4140-01-480-3814
NSN 6610-01-446-7635
NSN 6135-01-312-1040
NSN 6610-01-643-0778
NSN 5895-00-268-7716
NSN 6135-01-475-3671
NSN 5935-00-107-0651