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 6145-01-377-0706
NSN 6150-01-147-6177
NSN 5999-00-954-8906
NSN 6150-00-844-0254
NSN 5998-01-142-9608
NSN 5925-00-812-1987
NSN 6105-00-099-8818
NSN 4140-01-133-2626
NSN 6320-01-440-8771
NSN 5835-01-038-2402
NSN 5835-01-653-7806
NSN 5930-01-573-4672