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 5985-00-127-8669
NSN 5835-01-484-1362
NSN 5920-00-761-5900
NSN 5985-00-475-5381
NSN 6150-00-278-7070
NSN 5945-00-063-3640
NSN 5999-00-337-7781
NSN 6620-01-431-9176
NSN 5960-00-423-7842
NSN 6650-00-035-9297
NSN 5835-01-431-2178
NSN 2925-00-278-9468