CO2 Tank Power Filler II Transfill Tool from Power Tank. Need to refill or top-off your little 20 oz. or 40 oz. bottles with CO2? Now the Power Filler II is available too. This tool allows you to refill your 20 oz. or 40 oz. at home or on the job site from a 10-50 lb. CO2 mother tank. Note: You will have to invert your mother tank or get one with a siphon tube installed.
