BACOENG 3/8" 12VDC VITON Solenoid Valve (1/4",3/8",1/2",3/4",1" 12VDC and 110VAC Available) 3/8" DC 12V Solenoid Valve Both power lines can be connected with positive and negative poles VITON gasket.VITON gasket.VITON gasket. Valve Type:Direct Acting, Wet Armature Suitable for use with hot or cold water, gas, air, very low viscosity fluids (&lt; 20 cst), oils and hydrocarbons, e.g., gasoline, kerosene, or diesel fuel. Ideal for for: do-it-yourself projects, moderate temperature applications, water exchange for aquarium, air horn, or bleeding moisture from an air tank.