This system offers many advantages over the Dieselcraft and Spinner systems: * No Pumps - Gravety Feed is VERY reliable - its FREE and will never wear out! * No Pressure - High pressure pumps and fittings are expensive and leaks costly * Direct Drive - Rotor speed is unquestionable * High capacity - Rotor holds over half a liter - about the total size of a OC-20 * Single pass - Adjust flow rate to suit cleaning requirement and temperature