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 4140-00-566-3896
NSN 5950-00-501-1520
NSN 6320-00-908-6841
NSN 5996-01-447-4276
NSN 5835-01-501-0526
NSN 6610-01-530-1313
NSN 6105-01-241-9184
NSN 6650-00-891-9850
NSN 5999-01-641-9694
NSN 5998-01-530-8487
NSN 6240-01-262-4490
NSN 5930-01-246-4796