1, Fast fitting RO water solenoid valve 2, Normally close type 3, DC12V DC24V AC24V ... No.: BS003 Valve Character:1, With smart inductance2, Mostly used in water purifier system3, With all type voltage Deatiled spec as bellow ... pls do not hesitate to let us know. Have a nice business! Water Plastic Slenoid Valve for RO System in Water Purifier Treament Industry