Tritec medical air circulated refrigerator has four castors – 2 have brakes. The galvanized sheet steel housing and interior has a top quality white coating finish. Stainless steel is optional for top, bottom side, and backplane of cabinet, as well as, the interior. The slippery interior surface and rounded corners are easy to clean and meet the highest hygiene requirement. The insulation is 75 mm high-density polyurethane foam. The rapid circulation air-cooling, is CFC free, and provides reduced temperature gradients and consistent temperature controls. A micro switch automatically shuts off the circulating fan when the door is opened to prevent warmer air from being drawn in. The three-layer thermal insulated glass door comes with a right hand hinge, but the left hand hinge is available at no extra cost.