Goodway Air Powered Tube Cleaners are ideal for cleaning watertube boilers. Our water tube boiler 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 1-1/2 HP or 4 HP. Flexible shafts and accessories are available for both wet or dry tube cleaning applications