Material: plastic. Skylo traditional bottom entry ball valve. Can be used to replace cistern valves that has a similar item already. For this valve to function correctly a ball float is screwed to the threaded tail. The valve has an easy operating adjustable arm and a pivoting thread for the ball float. WRAS approved. Working pressure: 0.2 - 6bar. Thread size: 1.3cm. Flow rate (2 bar): 0.167 L/S.