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 5915-01-154-9807
NSN 5985-01-264-0130
NSN 6650-00-767-7597
NSN 6150-01-519-0161
NSN 6610-01-027-0087
NSN 5985-01-100-1206
NSN 7035-01-501-5938
NSN 6130-00-022-8180
NSN 5975-01-088-8399
NSN 5855-01-485-3429
NSN 5905-01-389-8697
NSN 6145-00-753-2264