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 7035-00-756-4374
NSN 5960-01-480-7629
NSN 5930-01-449-5970
NSN 6650-00-629-8027
NSN 5998-00-280-7270
NSN 6130-01-211-7177
NSN 6110-00-413-1776
NSN 5855-00-125-0780
NSN 5985-01-512-2886
NSN 5975-01-614-7798
NSN 7035-01-290-1447
NSN 6650-00-877-1797