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 5998-00-807-4486
NSN 6620-01-506-9144
NSN 5930-01-524-7395
NSN 5960-01-197-4461
NSN 5945-00-363-9481
NSN 5895-00-932-9795
NSN 2925-00-198-8547
NSN 6320-01-240-4637
NSN 7035-00-572-7086
NSN 5925-01-284-7690
NSN 6110-01-147-5613
NSN 4140-01-140-6781