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 (see below):
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.
3 Years Warranty!