U.S. Solid Electric Solenoid Valve- 1/2" 12V DC Solenoid Valve Stainless Steel Body Normally Closed, VITON SEAL - U.S. Solid
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12V Solenoid Air Valve, DC 1/8 Inch 2 Way Normally Closed Pneumatic Aluminum Electric Solenoid Valve Water Gas Liquid: Amazon.com: Industrial & Scientific