Stainless Steel Counter Pressure Bottle FillerTake your bottling to the next level! This stainless steel bottle filler features an innovative new counter pressure design to both flush and fill your bottle. The filler reaches directly to the bottom of the bottle, more effectively purging oxygen from your bottles and ensuring your beer tastes fresher. A special valve on top of the filler allow CO2 or beer to flow down the tube according to one of three available positions; Off, Beer and CO2. Includes an adjustable pressure relief on the side of the unit, allowing you to more accurately control the speed your bottles fills. Easily used with one hand, while the other hand steadies the bottle. Valve features two barbs; Barb for beer is 3/16", barb for gas is 5/16".Instructions for Use:-Insert into bottle in OFF position-Turn valve to CO2 to flush bottle and purge oxygen-Turn valve to Beer to begin filling-Use Pressure Relief to adjust fill speed-Cap immediatelyCheck out the Full Instructions HERE!*Please Note: This is designed for use with 12 oz bottles, however it can be extended easily for use with larger bottles, by adding a small piece of 1/4" tubing.