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
NSN 5998-01-576-9323
NSN 5925-01-544-4287
NSN 6320-01-081-7748
NSN 6240-01-465-3053
NSN 5910-00-581-2986
NSN 5915-01-510-9763
NSN 5950-01-135-8940
NSN 5950-00-055-5184
NSN 5905-00-862-0150
NSN 5999-01-046-3780
NSN 5910-00-177-8291