Micro Matic Premium Secondary Quadruple CO2 Regulator (60 PSI) 
A quadruple output secondary CO2 regulator from Micro Matic.
The gauges read up to 60 PSI, and the regulator has a built in pressure relief set at 55 to 65 PSI.
It has durable chrome plated brass bodies with built in wall mounting brackets.
The inlet is a 3/8" OD barb, and the outlets are 3/8" OD barbed shut-off valves.