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 6620-00-371-7109
NSN 5915-01-488-5189
NSN 5910-01-106-3499
NSN 5975-01-521-3073
NSN 6220-01-407-0447
NSN 5910-00-928-8303
NSN 6240-01-425-1160
NSN 6220-00-801-3872
NSN 5835-01-084-3920
NSN 5915-00-233-9284
NSN 5920-01-019-6270
NSN 6105-01-075-7881