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 5998-01-391-7104
NSN 5905-00-106-3668
NSN 6650-00-879-5834
NSN 6685-00-826-4784
NSN 6645-01-212-6457
NSN 6610-01-308-2712
NSN 6320-00-857-4073
NSN 6620-01-601-7491
NSN 5945-01-660-5405
NSN 5905-01-536-7920
NSN 5990-01-352-5255
NSN 6105-01-498-3990