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 6650-00-071-3102
NSN 5990-01-473-4314
NSN 6610-00-806-9392
NSN 5895-00-816-9763
NSN 5910-01-285-4358
NSN 6620-01-157-9267
NSN 5945-01-273-4013
NSN 5975-00-260-1336
NSN 6650-01-462-5879
NSN 6145-01-274-3354
NSN 6135-01-458-3851
NSN 6220-01-570-6975