TankMaster 3-D tank cleaning heads from Woma Corporation have an impact protection cage and work with operating pressures up to 21,750 psi and with water flow rates from 52 to 158 gpm. An easily adjustable braking system allows the operator full rotation speed control for optimized cleaning performance. Hardened gears combined with a slip clutch make them long-life nozzles. They are available with a variety of rotors and arm extensions, allowing a large range of container sizes that can be cleaned. 800/258-5530; www.womacorp.com.