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 7035-01-106-3476
NSN 6110-01-113-6569
NSN 5996-00-620-6130
NSN 5985-01-320-6014
NSN 5895-00-232-1314
NSN 6130-00-587-6104
NSN 5905-01-556-0823
NSN 5950-00-834-7285
NSN 5945-00-275-7927
NSN 5950-01-549-8111
NSN 5945-01-017-7199
NSN 6650-01-177-0632