Constant-Torque Hose Clamp for 3.5" ID Hoses

This constant-torque clamp can be used on all types of 3-1/2" ID intake hoses. It is recommended in any air-to-air application or any application using silicone hoses. The "constant torque" feature of this clamp assures a firm hold, regardless of the expansion and contraction caused by changes in temperature and pressure.