Sturdy Construction: Crafted from quality copper, this pressure relief valve is designed with precision and built to last, ensuring long term durability for your coffee maker Enhanced Coffee Flavor: Specifically designed to reduce internal pressure in pots, this Pot Secure Valves helps maintain the optimal taste of your coffee by ensuring consistent brewing conditions User Friendly Design: Simply screw the pressure relief valve onto your pot for an effortless and enjoyable brewing experience every time Easy Installation: This secure valves accessory is straightforward to install and remove, allowing you to easily replace old or damaged parts without hassle Universal: With a thread diameter of 0.75cm/0.30inch, this Espresso Coffee Pot Valve requires a 0.9cm/0.35inch hex socket for installation and fits most standard pot sizes seamlessly Specification: Material:Copper Size Chart: Diameter 0.75cm/0.30inch Package Includes: 1 Coffee Pot Pressure Reducing Valve(2 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.