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 5855-00-055-1579
NSN 5998-00-488-0788
NSN 5920-01-224-0355
NSN 5895-01-296-0072
NSN 5950-01-500-2105
NSN 6105-01-114-4452
NSN 6685-01-386-5129
NSN 6620-00-816-9755
NSN 6220-00-660-5539
NSN 5945-01-483-5109
NSN 2925-01-541-7217
NSN 5855-01-361-2362