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 6685-00-889-1579
NSN 6145-00-725-7163
NSN 5960-01-004-5483
NSN 5998-01-099-9709
NSN 2925-01-244-3016
NSN 5835-01-598-8262
NSN 5905-01-066-3525
NSN 6135-01-242-6484
NSN 5910-01-057-5110
NSN 6610-00-934-1044
NSN 6145-01-150-7771
NSN 5998-00-564-1805