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 6130-00-633-6187
NSN 6220-01-259-4420
NSN 6320-01-388-1067
NSN 5996-01-576-4148
NSN 6240-00-551-3144
NSN 5855-01-511-8946
NSN 5930-01-485-3786
NSN 5945-01-236-1061
NSN 4140-01-451-4657
NSN 5910-00-596-1417
NSN 5996-00-130-5376
NSN 5960-01-067-9531