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 5960-01-094-1076
NSN 2925-01-600-2309
NSN 5996-01-508-8171
NSN 6610-00-506-1977
NSN 5855-00-055-1579
NSN 6320-01-162-5977
NSN 6685-01-574-5230
NSN 5915-01-198-6265
NSN 5905-00-038-1399
NSN 6685-01-540-6410
NSN 5925-01-326-5782
NSN 5999-01-356-0088