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 6135-01-396-4900
NSN 5960-00-788-2976
NSN 6110-01-160-0632
NSN 5925-01-081-0436
NSN 6150-01-340-5165
NSN 5965-01-502-3650
NSN 6610-01-606-2144
NSN 5960-01-605-9921
NSN 6150-01-323-1402
NSN 5950-01-134-5425
NSN 7035-01-105-2561
NSN 5915-01-513-2531