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 5996-01-381-0868
NSN 5990-00-582-0342
NSN 5960-01-443-4861
NSN 5960-01-413-3877
NSN 5915-00-418-3849
NSN 5990-00-964-9672
NSN 6105-00-081-9090
NSN 6685-00-638-9261
NSN 5925-00-373-0936
NSN 5975-00-074-2072
NSN 5960-01-552-8601
NSN 5965-01-351-6977