Fzone Co2 Proof Tubing (16 Feet)

Fzone CO2 Proof Tubing allows a leak-free function ensuring no carbon dioxide will escape. Regular airline tubing can cause a 20% loss of CO2 & will not fit snug on the diffuser. CO2 tubing can also fit on standard airline fittings. We advise you to attach a CO2 check valve to the tubing ensuring no backflow to the CO2 regulator. CO2 airline tubing can degrade over time, so it should be replaced once every 3 years. CO2 Tubing is a commonly overlooked essential for your CO2 set up.  Premium CO2 Resistant Polyurethane Tubing   Premium CO2 Resistant Aquarium Polyurethane Tubing for planted aquariums. High pressure rated. Great for use with our CO2 diffusers & regulators 4mm(ID)/6mm(OD) Comes in clear or black; Great for indoor garden, hydroponics & aquariums with Co2 Kink-Free Design, Transparent or opaque black,  & no plastic/rubber smell 16 feet of Co2 proof tubing can be used for multiple aquariums. Includes 2 pieces of suction cups to secure tubing to the in