10 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 2925-01-372-9455
NSN 6320-00-456-2092
NSN 5975-01-092-0295
NSN 6135-01-106-7740
NSN 5910-00-398-0775
NSN 6620-01-032-3937
NSN 6150-01-564-5947
NSN 5965-00-629-5568
NSN 5925-01-044-5508
NSN 5998-01-262-2193
NSN 6685-00-020-9793
NSN 6220-01-340-4517