Home > Products > Regulators > CO2 Regulators > CO2 Regulator – Single Gauge – 5/16″ Barb Outlet with ShutoffCO2 Regulator – Single Gauge – 5/16″ Barb Outlet with Shutoff Quantity Add to cart Add to Quote SKU: CO2REG-SINGLE-516BARB Categories: Regulators, CO2 Regulators