Professional CO Diffuser, perfect for aquascaping. Complete with easy push adaptor for inserting your CO tubing into making it fast and easy to fit. No-fuss, no difficulty.

The neck sits comfortably over the edge of your aquarium and the 2 suction cups hold it in place. Great for hobbyists who want a quality diffuser.This model is 40cm long and suitable for aquariums up to 400L.