SR Aquaristik CO2 Regulator Expansion Module

• Includes a bubble counter and needle valve
• For use with single and dual stage regulators
• Easy to install

Product Description:

The SR Aquaristik CO2 Expansion Module is ideal for hobbyists who want to run more than one aquarium with one regulator. This simple to install independent control makes it quick and easy to expand your new or existing regulator.