3 way faucet, Assay Faucet, High Quality Brass , Manual, Used for Experiment .ISO9001:2000 Quality Manage system. 3 way faucet, Assay Faucet,High Quality.Material: Brass , Manual, Used ... : DN15Function: Only Use Cold Water or Hot WaterCertification: ISO9001:2000 Quality Manage system. Three Way Assay Faucet WJH0731-1