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 6135-01-629-6940
NSN 6105-01-592-3213
NSN 6320-00-036-3688
NSN 5965-00-583-4865
NSN 5985-01-634-0635
NSN 5965-00-194-9430
NSN 6130-01-335-8361
NSN 6220-01-330-7480
NSN 5895-00-225-9589
NSN 5999-01-595-4354
NSN 5895-01-333-4941
NSN 5990-01-227-6526