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 8 lbs. of pressure which can be supplied by compressor. Made in USA. Features: Capacity 4 qt. or 8 lbs. max of wax (No. 22.748) 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 removal and wax loading On-Off pilot light Safety valve for air release - 20 lbs. Measures 10 ╜" diameter x 21" high (No. 22.748 Instruction Manual This item is shipped from New Jersey. Shipping calculated at checkout is not accurate. Call or email for a shipping quote.