Production size wax injector capacity 2-3/4 Qt. (5½ lbs wax), with a more sensitive, hydraulic capillary thermostat. Precision-engineered rugged unit constructed with heavy-duty aluminum pot; large wing nuts for easy cover removal and wax loading. Air regulator and pressure gauge 0-30 PSI. No-leak, non-freeze nozzle. Accurate thermostat and thermometer; on/off light. Safety valve for air release and drain cock. Requires 6 to 8 PSI (uses an external air source). Dimensions 10-1/2" Diameter x 14" Height. Max Temperature: 250°F. 110 V. Made in the USA.