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 5895-01-037-9107
NSN 6645-00-938-2173
NSN 6240-01-219-4276
NSN 6320-01-185-3857
NSN 5990-01-100-1840
NSN 5985-01-535-1201
NSN 6610-00-406-3107
NSN 6105-01-349-3656
NSN 5895-01-119-7266
NSN 6150-00-841-6629
NSN 7035-00-371-7749
NSN 6150-00-161-2480