Features: Natural gas assembly is make of Copper materials, strong, enduring, rustproof. When you install it do not over bend pipe. So as not to cause unnecessary losses. Make of copper, this assembly comes with a builted in thermocouple for automatic flame detection and added safety. Suitable for homeowner and professional installation and repair engineers, this assembly is perfect for gas appliances like fireplaces. Enhances your gas appliances with this stable and easy to install assembly, ensuring a safe and convenient cooking experience everytimes. Specifications: Materials: Copper Size: about 18.5x9.9cm/7.28x3.9inch Thermopile: 36inch Package Includes: 1set Liquefied Gas Assembly note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.