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 6150-00-270-8497
NSN 5965-01-338-7693
NSN 6135-01-231-4809
NSN 5915-01-536-2625
NSN 5950-00-403-8849
NSN 5855-01-339-7675
NSN 6620-01-070-2215
NSN 6145-00-313-9429
NSN 6105-01-267-5209
NSN 5930-00-465-1083
NSN 6320-00-925-0558
NSN 5920-01-643-5512