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 5945-01-647-8826
NSN 6145-01-259-2496
NSN 6150-01-439-2230
NSN 6620-01-510-6367
NSN 6685-01-348-8254
NSN 6320-01-551-3553
NSN 6150-01-652-3134
NSN 6650-01-341-1670
NSN 7035-01-633-9537
NSN 6150-00-035-4573
NSN 4140-00-809-8996
NSN 5965-00-653-4782