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 5935-00-003-8099
NSN 6610-01-512-2025
NSN 5915-01-215-0792
NSN 6645-00-312-2752
NSN 5999-01-279-1070
NSN 5996-00-363-9666
NSN 5975-01-014-5493
NSN 6130-01-107-0151
NSN 5996-00-138-3072
NSN 5935-00-234-6867
NSN 6105-00-913-1484
NSN 6110-00-469-7981