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 5855-01-582-5648
NSN 5915-01-101-2642
NSN 5998-01-441-1060
NSN 2925-00-147-8150
NSN 5895-01-050-5813
NSN 6610-01-346-8241
NSN 5905-01-616-0983
NSN 6645-00-530-3468
NSN 5975-01-371-5728
NSN 5910-01-077-5322
NSN 6620-00-172-9222
NSN 5998-00-712-8963