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3/4" Dn20 Ss304 NSF61 Electric Ball Motorized Valve DC3.6V with Telephone Line Connector, Find Details and Price about Electric Actuator Valve Control Ball Valve from 3/4" Dn20 Ss304 NSF61 Electric Ball Motorized Valve DC3.6V with Telephone Line Connector - Taizhou Tonhe Flow Control Co., Ltd.