ITEM NAME:DC 12V 2-Position 3-Way Micro Mini Electric Solenoid Valve For Gas Air Pump Z #aucsearchbutton #aucsearchbutton:hover { cursor: pointer;.Tightness: After the inflation pressure is 0 to300 mmHg in the 500CC container, the pressure drop is less than 5mmHg / minafter 30 seconds. The use of fluid: AIR air. Power: