CO2 U Connector Fits standard CO2 and Airline Tubing Made from glass Ideal for making the transition from the outside to the inside of the aquarium The CO2 U Connector is ideal for making the transition from the outside of the aquarium to the inside with traditional CO2 or airline that will normally kink when going over the edge of an aquarium. Upgrade your aquarium setup with the CO2 U Connector– Order now and experience the difference!
