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 5950-01-411-5778
NSN 5915-01-152-0140
NSN 6685-00-764-2092
NSN 7035-01-648-8510
NSN 6220-00-021-3046
NSN 6145-00-643-4962
NSN 6145-00-067-7436
NSN 6220-01-234-9151
NSN 6110-00-999-6142
NSN 5999-00-394-7191
NSN 5835-01-566-5462
NSN 5855-00-918-1622