The NEW Therabath Professional Paraffin Bath is USA made to Class II medical device standards. Therabath units are hand-assembled ensuring that each and every one leaves the factory durable, safe, and reliable. DEEP IMMERSION 6 - 9 LB. WAX CAPACITY - up to 25% deeper than previous models ANODIZED ALUMINUM TANK - lightweight, durable, and energy efficient ALWAYS SAFE TEMPERATURE RANGE - even during the initial melt cycle! INTEGRATED HANDLES - ease transport in the home, clinic or office 110V (Model TB6) and 220V (Model TB7) OPTIONS. Comes with 6 1lb bars.