20 gauge stainless steel construction. 240 pounds (109 kg) maximum chilling capacity. Includes three (3) internal product temperature probes and one (1) Roll-In Cart. Cart holds twenty (20) full-size pans 12x20x2-1/2" (GN 1/1) or twenty (20) full-size sheet pans with additional wire shelves. Roll-In Cart makes the QC-100 Quickchiller interchangeable with Combitherm model 20.20 as well as the 20.20 Combimate Companion Holding Cabinet. For greater sanitation, casters remain outside all food containment areas.