... are highly resilient to sunlight deterioration. 3/4" DN20H the water tank plastic float valve Valve Material – ABSBall Material - PEBall ... to customize.) float valve can be widely used in water tank, cistern, cooling tower,air cooler, gardening, animal husbandry ... sunlight deterioration. Water tank float valve is suitable for installation in various types of water tanks inside, easy to install, easy ...