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 6150-00-534-3762
NSN 5915-01-101-6787
NSN 5835-01-050-9509
NSN 6685-01-377-4716
NSN 5835-01-222-2030
NSN 6240-01-523-8401
NSN 5835-01-366-5906
NSN 5960-00-270-8171
NSN 5905-00-905-6981
NSN 6135-01-286-9563
NSN 5950-01-509-8670
NSN 5999-01-519-7910