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 6150-01-511-0331
NSN 2925-01-043-9786
NSN 6610-00-292-9895
NSN 6145-01-302-8157
NSN 6620-00-970-2363
NSN 2925-01-643-8395
NSN 6220-00-149-0977
NSN 6110-00-350-1411
NSN 6610-00-798-2900
NSN 5925-01-515-1378
NSN 6130-01-354-1406
NSN 5999-00-796-9380