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 5895-01-532-1555
NSN 6240-00-472-4635
NSN 6105-01-492-4471
NSN 6650-01-423-8131
NSN 6105-01-248-1627
NSN 5950-01-534-8528
NSN 6645-00-283-6794
NSN 6610-01-110-3802
NSN 5905-01-400-3589
NSN 6610-01-541-5034
NSN 6145-01-279-1264
NSN 5895-01-032-4717