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Make sure this fits by entering your model number. Rated voltage: DC 4.5V ; Rated Current: 0.5A ; Type: Normally Closed Port Outer DIameter: 3mm . Power off : way closed ; Power on : air can pass. Wire Length: 11cm / 4.3inch ; Package Content: 1 x Solenoid Valve It has low vibration and low power consumption.Reliable, compact, and simple to install. Can be used for gas valve and pump. Widely used in automatic control equipment.