4 Pinch Valves with bracket and cables by AutoMate Scientific Inc.
Four 12V DC, two-way, solenoid, pinch, isolation valves mounted in a ringstand-ready metal case. Each valve includes a short piece of silicon 1/16" o.d., 1/32" i.d. pinch valve tubing, and an indicator LED. Valves include 5' long cables terminated with RCA male connectors.