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 6240-00-677-0305
NSN 5920-01-325-9931
NSN 5935-01-319-0466
NSN 6135-00-505-0679
NSN 5895-00-841-1745
NSN 6650-01-618-7779
NSN 5960-00-248-3094
NSN 6610-00-355-0450
NSN 5998-01-067-9359
NSN 5950-01-127-3493
NSN 6135-01-483-1501
NSN 6645-01-094-8917