Top and body are heavy gauge type 430 stainless steel. Heat compartments are one-piece deep drawn type 304 stainless steel, with all corners fully coved, and insulated on all sides with 1″ fiberglass or equal. ¾”-diameter drain with strainers in each well, and attached to a common copper manifold. Recessed control panel, with individual infinite controls, offer high and low settings. Each compartment is fitted with 120-volt/750-watt, 208-volt/ 713-watt, or 240-volt/950 watt heating element is secured to underside of each well. 6″ cord & plug extends from the bottom right hand side of the unit. Furnished with polyethylene cutting board, stainless steel dish shelf and stainless steel adjustable undershelf.