This horizontal rotary extension provides the ability to install a rotary through the side of a bin wall, such as those in concrete silos, up to 12 in. thick. Optional assembly includes an extended drive shaft with a protective shaft guard that keeps the shaft centered and a “no packing” seal at the end of the shaft. Standard lengths of 6, 8, 10, or 12 in. are available. BinMaster Level Controls. 800-278-4241.