The Chromatography Refrigerator is made with galvanized sheet steel with high quality white coating and adjustable height. Can come in stainless steel (Back-plane, as well as top and bottom side of the cabinet of galvanized sheet steel) with 2 lockable Interior space. With rounded corners and slippery surface in the interior. It meets the highest hygiene requirements. CFC-free circulation and air cooling for rapid and uniform temperature control, also reduces temperature gradients to a minimum. When the door is "open" the circulating fan is switched off automatically by a micro switch in order to prevent warmer ambient air being drawn in.