DC Compressor DC 12/24V Refrigerants: R134a, suitable for water dispensor, small refrigerator, small freezer, wine cellar and other small refrigeration appliances used for car, ship and camping. The structure forms: hermetic crank connecting-rod reciprocating piston type, and employing the half direct inlet. The smallest DC compressor series in China. The main feature: small volume, light weight, strong bearing to shocking, high efficiency, low noise, good reliability