Always forget to turn off the faucet? You need an Automatic Water Level Controller! The controller can automatically shut off the valve when it reaches the water level! You can apply to a water tower tank, solar, toilet, swimming pool water control and even more. It's eco-friendly products too! You need the perfect water level controller to replace the traditional float ballcock! Grab yours now! FEATURES: Automatic Shut Off the ValveControl the water level easily! Wide ApplicationYou can apply to a water tower tank, toilet, swimming pool water control and even more! Eco-Friendly ProductsEasy to save water without electricity! No More Float BallcockA perfect valve to replace the traditional float ballcock. SPECIFICATIONS: Material: ABS Size: 1 / 2 pulgadas or 3 / 4 pulgadas Style: Vertical Outside / Vertical Inside / Parallel Outside / Parallel Inside PACKAGE INCLUDES: 1 x Automatic Water Level Controller