22 1/2 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 5975-00-162-2083
NSN 5895-00-924-8665
NSN 5975-00-702-8253
NSN 5998-01-233-8894
NSN 6220-01-526-0162
NSN 6105-00-275-0826
NSN 6685-01-111-6466
NSN 6240-01-420-4246
NSN 5996-01-645-4831
NSN 6135-01-422-1440
NSN 6650-01-159-4251
NSN 5915-01-330-7664