Name:CO2 Gas Regulator;Application:Homebrew CO2 Regulator;Usage:Dual stage co2 gas regulator;Size:CGA320/W21.8/G5/8;Barb Size:5/16'';Type:Homebrew Nitrogen Regulator;0-3000psi:Shows cylinder/tank Co2 left;ON/OFF Valve:flow control the gas;Warranty:One Ye