A great deal on a high quality dual gauge CO2 regulator. Check out these features:,,1) Hand adjustable pressure - no wishing you had a screwdriver in your pocket to change pressures.,,2) 30 PSI low pressure gauge - A more precise range for dispensing beer at home (as opposed to the standard 60 psi gauge),,3) Built in tank gasket - so you are not stuck making a tank change without a gasket.,,4) Built in pressure relief valve - that is set to blow off at 40 psi for safety. Also features a pull ring so you can release excess pressure at any time, a very handy feature.,,5) On/Off valve with barb- easily connect line and turn off supply of CO2 for working with keg connections etc.,,6) Chrome plated brass - so will not rust.,,7) Large CO2 diaphragm - for increased performance and reliability.,