Durable Material Coffee pot pressure reducing valve is made of high quality copper material, fine workmanship, sturdy and durable. Uses Coffee pot pressure valve reduces the internal pressure of the coffee pot to ensure the taste of coffee. Easy to Use Screw the coffee pot pressure reducing valve directly onto the coffee pot, providing a great user experience. Easy to Install Coffee pot safety valve accessories are easy to install and disassemble, allowing direct replacement of old or damaged parts. Offers easy installation and reliable performance. Application Coffee pot pressure valve thread diameter is 0.75cm, suitable for most coffee pot sizes. Specification: Material: Copper Size Chart: Thread Diameter: 0.75cm / 0.30inch Package Includes: 1 x Coffee Pot Pressure Reducing Valve Note: Please allow slight variations due to manual measurement and differences in display monitors.