1. HIGH PERFORMANCE CONTROL VALVE The refill adapter ensures easy flow adjustment and utilizes an efficient control valve that prevents leakage. Thanks to its and stable performance, the operating comfort is significantly improved. With every use, you benefit from maximum and optimal handling. The adapter is suitable for both occasional and regular users and is ideal for use with bottles of different sizes. 2. and robust: Robust brass construction and reliable seal ensure optimal performance of the filling adapter outdoors. Suitable for versatile applications in a wide range of weather conditions 3. WIDE RANGE OF APPLICATIONS Fits standard cartridges, this adapter is designed for camping needs. It allows users to tap into different usage scenarios and refill effortlessly without additional effort during outdoor adventures. Perfect for anyone who appreciates straightforward solutions 4. Balanced flow: Provides a stable flow thanks to a flexible structure without deformation, improved by wear and abrasion resistant properties as well as a reinforced outer layer for optimal outdoor use in various conditions