Features: Crafted with stainless steel construction, this 36inch double adapter (5/8 To G1/2) ensuring leak proof durability and safe CO2 cylinder refilling for co2 cylinder makers and home carbonation systems. Ideal for co2 cylinder maker owners, homebrew enthusiasts, and beverage professionals requiring gas transfer between standard CO2 tanks and countertop carbonation devices. Perfectly designed for refilling CO2 cylinders for home kitchens or small scale beverage stations while maintaining pressure stability during carbonated drink preparation. Engineered with metal component, this heavy duty adapter prioritizes user safety – always verify compatibility with your specific cylinder model before operational. The sealing device is in the correct position. Therefore, upon receiving the co2 cylinder bottle inflation connector, please ensuring to use the correct seal on the correct side Specifications: Component:Metal Size:Approx.36inch Package Includes: 1 Set CO2 Cylinder Refill Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.