This plastic carbonation cap has been designed to suit soda bottes, coke bottles, and FermZilla lids. If you have a keg system you should have at least a couple of these as they are so useful. NOTE: The stem is 6.35mm, if you want to attach the duotight fitting on the back of this fitting then you can use the this one that will allow you to attach 8mm OD EVABarrier 4mm or 5mm ID Beer Line. Need to clean your beer line?Carbonate your unfizzy beer quickly?or simply want to take a traveller over to a mates?Then do yourself a favour and grab one of these essential tools for your brewing needs. Liquid and Gas ball lock compatible. This carbonation cap is also suited to any of the FermZilla products such as the FermZilla Pressure kit. This product is made from high quality engineering plastic and will last a very long time. It's chemically resistant and also designed ot resist impact and physical damage. The thread specification on this product is the PCO 1881 (AKA Coke bottle thread) NOTE: This product is now sold only in red or yellow colour. Some of the older photos show this product in white/natural.This can also be used for beer line cleaning for Kegerators.
