This unique professional grade bubble counter is used with a CO2 system to count your CO2 bubbles.

Not only being a bubble counter it has a patented check valve with screw lock mechanism built into it. Once you have inserted your CO2 tubing into this bubble counter and locked it in, there's no chance of the tubing popping out giving you total piece of mind.

Easy to set up - you can use this bubble counter with any CO2 system.