Factory engineered. self-contained. capillary tube system using environmentally friendly R290 hydro carbon refrigerant that has zero (0) ozone depletion potential (ODP). & three (3) global warming potential (GWP). High capacity. factory balanced refrigeration systems that maintains cabinet refrigerator temperatures of 33F to 38F (.5C to 3.3C) and freezer temperatures of -10F (-23.3C). Freezer located in top section; refrigerator on bottom.