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 6105-01-144-1096
NSN 4140-01-492-5268
NSN 2925-00-486-0524
NSN 6320-00-456-2092
NSN 5930-01-235-5985
NSN 6105-01-410-7588
NSN 5895-01-318-3266
NSN 6220-01-527-8105
NSN 6110-01-605-0406
NSN 5935-01-230-9713
NSN 6650-01-399-8552
NSN 5960-01-411-5899