Taprite Single Product Secondary Pass Through CO2 Regulator (60 psi) - 5/16” Barbs - #T1661STC-01
This secondary regulator will allow you to add an additional keg to your existing setup, and regulate the pressures individually.
All of the barbs are 5/16" OD, and the bottom one has a check valve.
It has a working pressure of 0 to 50 psi, and a built in pressure relief valve set to 55 to 65 psig. The gauge reads from 0 to 60 psi.