Keystone Denture Curing Unit, Stainless Steel 1/Pk. One-piece unit, can be used for both boil out and curing. Cures up to 4 double flask compresses or 8 denture arches. Seamless to prevent leaking. Thermostatic control for changing holding temperature. 115 volt/1380 watt. Brass spigot for easy emptying of water .