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 6220-01-313-7455
NSN 5915-01-382-8156
NSN 5960-01-046-8308
NSN 6610-01-633-8931
NSN 4140-01-463-8688
NSN 5975-01-227-9930
NSN 6220-01-110-6527
NSN 5910-01-273-4116
NSN 5996-01-094-9754
NSN 6645-01-055-9423
NSN 5925-01-415-4809
NSN 6110-00-097-9140