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 5910-01-125-8194
NSN 5950-01-133-9260
NSN 5975-00-753-7669
NSN 5990-01-160-6978
NSN 5965-00-823-8623
NSN 5960-00-857-8742
NSN 5998-01-088-2378
NSN 5990-00-122-8698
NSN 6130-00-273-1111
NSN 5920-01-092-1148
NSN 6620-01-340-1503
NSN 5999-01-472-9782