Carlisle Sparta spectrum galvanized wire tubing pipe brush with polyester bristle. Designed to clean all types, sizes, and lengths of tubing. Sanitary polyester bristles are twisted in flexible galvanized wire to effectively clean tubing. Base resins used to produce bristles are made of FDA approved materials. 1-inches Diameter Bristle. 5-inches Brush. 72-inches overall Length. Made in USA.