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 5925-00-159-9581
NSN 5925-00-159-7565
NSN 5930-00-297-8848
NSN 5910-01-108-3466
NSN 6110-01-368-4899
NSN 5945-01-572-4226
NSN 5960-00-264-9519
NSN 6610-01-448-2335
NSN 6320-00-931-4855
NSN 6105-01-301-9455
NSN 4140-01-588-1041
NSN 5975-00-553-7151