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 7035-01-255-2332
NSN 5925-01-613-0748
NSN 5985-01-105-2209
NSN 5960-01-378-1729
NSN 6150-00-244-2664
NSN 6105-00-596-9962
NSN 5935-01-416-0337
NSN 5996-01-237-4501
NSN 6130-01-325-2539
NSN 5855-00-904-9572
NSN 5998-01-613-8383
NSN 6105-00-038-2954