【Universal Filling valve】 Fits all plastic and standard porcelain tanks and with a corrosion-resistant brass interface, a right or left side power supply, is easy to install 【【 Integrated filter】 With an integrated filter, float valve can prevent the penetration of dirt, easy to clean 【Anti-siphon】 hydraulic pressure design, ultra silent and float valve has an anti function -Siphon to prevent the eateling water from entering the water line