This labor saving cleanout uses our Twis-to-Floor® adjustment technology to level the top with adjacent surfaces after concrete floor is cast. They are available in 7" diam. (fig. 4237) and 9" diam. (fig. 4239) sizes. Constructed of Duco coated cast iron and topped with loose set, heavy duty, cast iron tractors cover, these cleanouts are designed to support heavy industrial traffic. Available in 2", 3" or 4" Speedi-Set outlets.