Premium Material: The RV Winterize Blowout Adapter is made from premium brass, ensuring wear resistance, durability, and long term useWide Application: This Winterize Quick Adapter is wonderful for a wide range of applications including RVs, boats, garden hoses, and irrigation systems, making it an essential tool for winterizing your equipmentQuick Connection: Equipped with a 1/4 inch male adapter and a 3/4 inch hose interface, this brass quick fitting allows for easy and fast connections and disconnectionsEasy Installation: This Hose Adapter has a simple design that makes it easy to install and disassemble without any complicated steps, saving time and effort; Simply screw the hose into the adapter and connect it to an air compressors to start usingAdjustable Airflows: Features a built in ball valve design that lets you control airflows speed effortlessly by rotating the valve stem, ensuring intuitive and efficient working Size Chart: 1 Internal Thread Adapter: Length 8.15cm/3.21inch, Width 3.4cm/1.34inch Package Includes: 1 Internal Thread Adapter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.