Unlike "Single Stage", this Dual Stage CO2 Regulator comes with a Dual Stage Valve for added safety and reliability.
This added safety mechanism dramatically reduces the chance of accidentally changing CO2 output volume.
This professional grade aquatic Dual Stage CO2 controller kit also comes ready with bubble counter, extra regulator seals and electromechanically operated on/off solenoid valve that can be used with a pH controller or timer.
It is made of heavy duty materials making it extremely dependable and ideal for planted aquariums as well as calcium reactors.
Dual Gauge displays canister pressure & CO2 volume output.
CO2 tank not included
High Quality and simple to set up and adjust