The Dual Gauge Gas Bottle CO2 Regulator by kegking is a high-quality steel gas regulator specifically designed for the brewing of beer. It regulates the flow of carbon dioxide (CO2) from a gas cylinder, ensuring precise control over the carbonation level in your beer. Ideal for homebrewers looking to maintain consistent results in their brewing process, this regulator is a must-have equipment for any beer enthusiast looking to improve their craft. Comes with two gas lines as shown in photo.