Features: Crafted from 304 stainless steel, offering corrosions resistance and longevity. Ensuring rapid heating and uniform heat distribution. The heating tube has built in overheat protections function, effectively preventing safety hazards caused by high temperature. It can provide stable and stable heating effect, greatly improving work efficiency. The heating tube is equipped with a quick connector design, which facilitates quick installation and disassembly. Suitable for various fields such as heat treatments equipment, electric heating appliances, plastic processing, and food processing. Specifications: Component: 304 stainless steel Power: 6KW/9KW/12KW Life span: more than 9000H(Optional) voltages: 220V/380V 6KW Pipe Length: about 25cm/9.84inch 9KW Pipe Length: about 30cm/11.81inch 12KW Pipe Length: about 35cm/13.78inch Pipe Diameter: 11mm/0.43inch Package Includes: 1pc Electric tube Water Heater note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.