1. Integrating the solenoid valve into the valve group to unify the intake, exhaust and power supply (25pin DSub) can save space and reduce the number of accessories that need to be purchased. 2. Flexible combination and strong expandability, the number of connected solenoid valves can be arbitrarily combined or expanded. Comes with blind plate option. Category: Solenoid Valve Base, Brand: Airtac, Series: CPV15S