Feature:It is a simple valve, no vacuum lets water pass through and when vacuum is applied it shuts the flow off and recirculates it. match for your car.The heater control value fits for your exact vehicle.Professional installation is highly recommended (No Instruction Included)This is non- OEM product.Specification:Condition: 100% Brand NewMaterial: Metal, PlasticColor: Black, Silver ToneSize: 12x10x11cm / 4.72"x3.94"x4.