1. The same series of directional control valves can be integrated into the valve group to save space and cost;2. Unified oxygen intake and exhaust, unified wiring, easy to find when a fault occurs: 3. Flexible connection and strong charging ability, the number of connected directional control valves can be roughly closed or charged at will: Category: Solenoid Valve Base, Brand: Airtac, Series: 6V-F