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 5905-01-600-3189
NSN 5910-01-507-7001
NSN 5996-00-496-8806
NSN 5910-01-618-6407
NSN 5920-01-077-9529
NSN 6240-01-241-5209
NSN 6135-01-010-0891
NSN 5985-00-443-1817
NSN 6110-00-862-3097
NSN 5910-01-318-5921
NSN 6110-00-936-5024
NSN 5996-01-415-1028