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 5915-00-326-2096
NSN 6105-01-168-4858
NSN 6110-00-497-7139
NSN 5930-01-361-6668
NSN 6145-01-060-3485
NSN 5950-00-094-7560
NSN 4140-00-270-8075
NSN 6645-01-132-1862
NSN 6220-01-523-0869
NSN 6135-00-998-5884
NSN 5996-01-221-2091
NSN 5945-01-106-6981