Ball Valve(Ball Valve, Motorized Ball Valve, Electric Ball Valve, Valve, Brass Ball Valve, Brass Valve): high quality Ball Valve(Ball Valve, Motorized Ball Valve, Electric Ball Valve, Valve, Brass Ball Valve, Brass Valve)Characteristics ... Nice design and easy installation)Equipped with manual shaft and release knob for easy manual operationSize: DN 20, Two ...