The shell is made from top rate plastic material,good toughness,sturdy and durable. Adopts advantageous digital components and shaft,it has excessive efficiency and nice performance. Safe to use with automatic overload and over temperature protection which additionally delay its lifespan. The stainless-steel connector is non-toxic,corrosion resistant and anti-rust,easy to install. This DC pump is used breweries and Mini-breweries. Condition: Voltage:DC 12V Input power:18W Current:1 Optional Type:without connector Water Head:5-6m Rate:9L-10L/min Working Temperature:100℃ Product Type:Carbonation Equipment Colour:Black Material:metal+plastic Package Contents: 1* Beer Pumps Only the above kit content, other merchandise should not included. Note: Light and various displays can cause the color of the object within the picture somewhat diverse from the real thing. The size allowed error is +/- 1-3cm.