Thank you for your attention. This product is designed for regulating the flow of water in garden hoses or 16mm irrigation pipes. We provide two types of connections for these valves: a 3/4" BSP thread (female or male) or a universal click-lock connection commonly used by reputable hose connector brands. The purpose of this item is to enable you to control the water flow in your hose or turn it on/off without having to go back to your garden tap. This feature is particularly important for drip irrigation systems, as it allows you to adjust the water flow to ensure an even distribution throughout your system. By using these connectors, you can achieve consistent watering without any plants becoming excessively dry or soaked. They are compatible with expanding hoses of the x type, which have either a male or female threaded end, making it possible to screw these fittings onto the ends of the hoses.