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 5935-00-753-7279
NSN 5960-01-005-6606
NSN 5920-01-641-8395
NSN 5985-01-581-0405
NSN 6320-01-624-0193
NSN 6220-01-093-9737
NSN 7035-00-238-3662
NSN 6220-01-015-5850
NSN 6110-01-042-9343
NSN 6220-01-550-1314
NSN 5945-01-411-6132
NSN 6610-00-518-4919