30 pores per linear inch
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 6320-01-215-6459
NSN 5985-01-505-1754
NSN 2925-00-163-9016
NSN 5990-00-702-2873
NSN 6620-01-633-8443
NSN 4140-00-027-5150
NSN 6130-00-799-9383
NSN 5910-00-602-6603
NSN 5915-00-831-7761
NSN 5950-01-498-8903
NSN 5999-01-452-7893
NSN 6145-00-534-1412