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 5905-00-177-7833
NSN 5935-01-085-2283
NSN 5915-01-442-4245
NSN 6240-00-250-8693
NSN 5999-01-321-8494
NSN 2925-01-170-1089
NSN 6320-01-284-4508
NSN 6320-00-908-6841
NSN 5915-01-014-7877
NSN 5855-01-334-6594
NSN 5855-00-288-1408
NSN 6240-01-088-7629