Wax InjectorMeasures 8" x 8" x 14" Accurate air pressure gauge Capacity 1qt or 1. 33L of melted wax Quick heat up with powerful 250W heating element Adjustable thermostat with preset temperature range Equipped with machined brass nozzle will not freeze For your safety pressure relief valve is preset to 30 PSI Self contained air pressure unit creates dense, accurate wax patterns Die Cast aluminum pot with excellent heat transfer and prevents wax separation