Goodway Air Powered Tube Cleaners are ideal for boiler tube and all types of tube cleaning where the use of electricity is not available or desirable. Cleaning watertube boilers present these types of conditions. Both boiler tube cleaning machines feature variable torque and speed controls to match the type of deposit in cleaning tubes/pipes 1/4" (6.4mm) I.D. and up. Depending on model the maximum air motor power is either 1 1/2HP or 4HP. Flexible shafts and accessories are available for both wet or dry tube cleaning applications.