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 4140-00-631-2385
NSN 5985-00-488-9403
NSN 5910-00-663-5052
NSN 6685-01-354-4433
NSN 6620-00-562-6337
NSN 6145-00-804-2861
NSN 5950-01-481-3116
NSN 5945-01-403-2800
NSN 7035-00-020-2227
NSN 5999-00-792-0561
NSN 5975-00-553-7151
NSN 5915-00-609-3764