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 5920-01-230-3035
NSN 5855-00-629-5343
NSN 6110-01-415-7143
NSN 5835-01-201-6389
NSN 5998-01-150-4136
NSN 6620-01-529-2518
NSN 5990-00-959-3312
NSN 5965-01-101-7624
NSN 5996-00-034-4779
NSN 5905-00-067-8596
NSN 6685-00-186-9190
NSN 6130-01-345-5099