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 5910-01-315-8120
NSN 5920-01-447-1445
NSN 6145-01-397-4456
NSN 2925-00-211-4761
NSN 5950-01-366-5931
NSN 6150-01-459-4871
NSN 5915-01-309-9717
NSN 5905-01-516-8932
NSN 6610-01-352-4768
NSN 5998-01-112-0520
NSN 5930-00-752-0744
NSN 6130-00-027-5186