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 5925-01-507-3020
NSN 5910-00-934-8311
NSN 5960-01-109-9480
NSN 6105-00-126-7727
NSN 6150-00-162-5503
NSN 6645-00-464-6375
NSN 5985-01-422-2513
NSN 6240-01-426-5581
NSN 5999-00-848-8041
NSN 5960-01-182-3676
NSN 6150-01-126-4602
NSN 5855-01-471-1509