Note:  €70. 00 Cylinder Charge applies (unless you have one of our bottles to swap back) We cannot handle third party gas cylinders -- Gas Refill - WILL work for Lager, Ale & Stout How many kegs will this gas cylinder dispense? Depending on use and the condition of your equipment - it can do up to 10 x 30l kegs. Does it have the same connection?  Yes, same one as on BOC Suremix and Murphy's/Heineken gas bottles. Technical:75% nitrogen (n2) e94125% carbon dioxide (co2) e290 Gas Safety Warning: This cylinder contains mixed gases at very high pressure.  Always connect gas cylinder to reducing valve.Never try to connect cylinder directly to beer container.Never connect cylinder to any equipment not provided by the brewery.Always secure cylinder upright whilst in use.Always keep cylinder away from heat.Never drop or throw cylinder.Never try to unscrew fittings from containers.Always ventilate cellar after gas leakage.