Features 1、Stainless Steel Construction: Made from premium stainless steel, this diving gas cylinder adapter is sturdy and dependable, ensuring safe inflation and a long lasting lifespan for consistent use. 2、Large To Small Cylinder Design: The adapter's design allows for transferring airflow from large to small gas cylinders, providing portability and versatility for different situational requirements. 3、DIN Standard Interface: Featuring a DIN standard interface, this gas cylinder refill connector offers strong compatibility with a wide range of applications, making it suitable for diverse usage scenarios. 4、High Efficiency Precise Crafting: Manufactured with accuracy, this large to small gas cylinder connector ensures high inflation efficiency, making the operating straightforward and user friendly. 5、Multi Functional Conversion Tube: Equipped with a multifunctional conversion tube, the adapter is practical for various scenarios, including scuba diving inflation, offering ease and convenience. Item Type: Diving Gas Cylinder Adapter Material: Stainless Steel Package List 1 x Diving Gas Cylinder Adapter