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 5895-01-268-2209
NSN 6130-00-118-8952
NSN 2925-01-288-2091
NSN 5905-01-212-2450
NSN 6145-01-578-4326
NSN 5960-01-065-5332
NSN 6320-01-300-7994
NSN 2925-01-351-9748
NSN 5975-00-802-1498
NSN 5999-01-323-7113
NSN 6220-01-297-3217
NSN 5990-00-594-7291