Marketing InformationThe no hub combo mid-stream position restraint is a combination wye and eight-bend fitting restraint. They are designed to reinforce no hub cast iron installations in accordance with the installation instructions of the U.S. Cast iron soil pipe manufacturers, CISPI Designation 310-11 and the 2006 CISPI installation Handbook. Each kit includes galvanized steel straps with stainless steel band clamps. When installed correctly, these no hub restraint brackets achieve a safe thrust pressure rating equal to 50 ft head of water pressure.