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 ... CELAB Italy, EN 12541:2002 Concealed Flush valve (Flush Valve, Hidden Flush Valve)