Clover's Cook / Cold Bottled Water Cooler, B7B, is made using density polyethylene(HDPE) that eliminates the problem of rust and corrosion. It uses convection cooled condenser with internally spring mounted hermetically sealed compressor and automatic overload protector. Refrigerant is controlled by accurately calibrated capillary tube. The self closing faucets that is cold and hot are made using polypropylene that makes it durable and long lasting. The cold water tank are made using stainless steel and has a capacity of 0.9 gallon.