Grobet wax injector; rugged construction and precision engineering make this wax injector practically maintenance-free. Both hands are free for holding mold while injecting wax. Requires 5 to 8lbs of pressure which can be applied by compressor. Measures 9" diameter x 16" high. Made in USA. Features: 2 3/4 quart/5lbs of wax capacity. Heated nozzle to eliminate wax freezing. Nozzle has positive seal and drip guard. Accurate thermostat. Sensitive air pressure regulator and gauge. Large wing nuts for easy cover removal and wax loading. On-off pilot light. Safety valve for air release - 20lbs. This item will be shipped to you directly from the factory, please allow 5-7 business days for shipping.