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 7035-01-247-6256
NSN 5925-01-069-3443
NSN 5975-01-355-7387
NSN 5915-01-163-0185
NSN 5996-01-138-6182
NSN 5950-01-587-9103
NSN 6685-01-336-4355
NSN 6105-01-265-8693
NSN 2925-01-346-9522
NSN 4140-01-516-8150
NSN 6150-00-189-0292
NSN 6110-01-595-0519