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 6240-01-579-8568
NSN 5945-01-359-6337
NSN 6645-01-409-2003
NSN 6150-01-040-0335
NSN 5950-01-408-6172
NSN 5950-00-705-2090
NSN 5910-01-365-6760
NSN 2925-00-635-6907
NSN 6240-00-989-4398
NSN 5998-01-626-2455
NSN 5925-01-506-7833
NSN 5960-01-491-9916