20 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 7035-01-126-3239
NSN 5960-01-151-4518
NSN 6685-01-142-1969
NSN 5975-00-566-2008
NSN 6220-00-928-6163
NSN 6685-00-221-5750
NSN 5895-01-264-1756
NSN 5998-01-578-7324
NSN 5950-01-364-8368
NSN 5895-01-400-2663
NSN 5855-01-255-1688
NSN 6135-01-448-4680