Secondary Regulator - 1 WayPush different CO2 pressures to different kegs using your existing CO2 set up. Secondary regulators do not attach directly to CO2 tanks. They are designed to be used inline when you already have a CO2 regulator. A secondary regulator allows you run multiple pressures from one tank of gas. CO2 line from your existing system would attach to secondary input. Gas lines coming from the secondary can then be adjusted to different pressures (Pressure coming