Shop for the GV series of soft start/dump valves by Airtac. This 3/2 way solenoid valve is compatible with the following air filter/regulator/lubricator units: GC200, GC300, and GC400. Port sizes available range from 1/8" up to 1/2". Choose from AC220V, DC24V, AC110V, AC24V, and DC12V solenoid coils. An additional mounting bracket is needed when used with an FRL unit.