Charcoal gray; inside diameter is any that is acceptable; style designator is a22 roll type w/hollow core; reference number differentiating characteristics are 1/2 inch thick, 30 inches wide.
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 5945-00-189-8783
NSN 6240-01-511-1009
NSN 6135-00-274-4037
NSN 5895-01-502-9873
NSN 5910-00-864-6626
NSN 7035-01-388-6943
NSN 5935-00-493-5897
NSN 5960-00-167-0397
NSN 5905-00-082-1450
NSN 5975-01-601-9296
NSN 5930-01-197-2665
NSN 5905-01-654-1393