Diaphragm Pump, Bilge Pump, Submersible Pump manufacturer / supplier in China, offering Seaflo portable New Sea Water Fliter for Boat Use, Seaflo 12V Isolator Switch Continuous Duty 175A Marine Battery Switch Power-off Switch, Seaflo Battery Switch 12-48 V 275/1250 AMPS Boat Battery Power Disconnect Switch Heavy Duty Battery Isolator Switch and so on.