Precision CO2 Bubble Counter With Check Valve
High quality Precision CO2 Bubble Counter regulator mount.Key Features:
- Clear and precise bubble formation allows you to count bubbles with ease.
- Built in check valve to prevent damage from water or CO2 liquid flowing back into your regulator.
- Metal cap for CO2 tube attachment.
- 1/8" NPT Female Thread Connection (fits onto standard CO2 needle valve).
What else do you need to get to supply CO2 to your aquarium?