Hassle-Free Carbonation: This CO2 filling adapter connector features an integrated safety pressure valve, allowing you to effortlessly fill carbon dioxide into your bottle. Enjoy a hassle-free and convenient carbonation process with this reliable and efficient adapter. Secure Thread Connection: Designed with the thread, this adapter ensures a tight connection without any air leakage. Experience a secure and seamless attachment, allowing for a smooth and efficient carbonation experience. Universal Compatibility: The adjustable valve pin on this adapter guarantees compatibility with any cylinder valve. No matter the type of cylinder you have, rest that this connector will fit perfectly, providing you with a versatile solution for all your carbonation needs. Premium Material: Crafted from high-quality material, this adapter offers exceptional durability and stability. Built to last, it can withstand regular use and provide long-term performance, ensuring a reliable and consistent carbonation process. Safe and Reliable Design: Equipped with a 3000psi pressure gauge, this CO2 filling adapter ensures safe and reliable operation. Monitor the pressure levels during the carbonation process, ensuring a controlled and worry-free experience every time. Colour:black Material:Metal type:TR21-4 Package Contents: 1X CO2 Tank Cylinder Adapter Connector The position of the instrument is different in different batches, but it does not affect the use of the product. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.