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 6130-01-412-5067
NSN 6220-01-200-3410
NSN 6150-01-155-9130
NSN 6240-01-556-5808
NSN 5996-01-132-7833
NSN 5835-01-100-3265
NSN 5895-01-258-5671
NSN 4140-01-587-2190
NSN 6110-00-827-3026
NSN 5930-00-063-2003
NSN 5975-01-033-6578
NSN 6645-01-391-8763