Material: Brass housing, the return valve is made of high-quality brass and stainless steel springs. It offers excellent durability, corrosion resistance, and airtightness, capable of withstanding high temperatures and pressures. Features: The check valve is designed for use in suction pipelines or pumps to prevent water from flowing back into the well after the pump stops, avoiding unnecessary backflow. Design: The water shut-off valve has internal threading. It features a stable brass plug guided by a brass guide shaft to ensure a reliable seal and minimal wear on the valve components. Easy to use: Simply screw in the leak-proof check valve with a few turns. Application: Suitable for pumps, fountains, washing machines, garden systems, rain barrels, and tanks. Use on pump suction lines to prevent backflow. Color: Gold Size: 32 mm Quantity: 1 piece Note: Manual measurement allows for a 1-7 mm error. Due to lighting and screen differences, slight color variations may occur. Actual product may vary slightly.