Concealed Flush valve, Flush Valve, Hidden Flush Valve Haixin Item No.: GS-8106B Material: brass Product ... Name: Concealed Flush valve, Flush Valve, Hidden Flush ValveHaixin Item No.: GS-8106BFeatures: 1) Material: brass 2 ... , elegant appearance, easy to install and uninstall, covenient to operate, accessories can be supplied according to customer demand, inlet and outlet ...