A great deal on a high quality dual gauge CO2 regulator. Check out these features: no wishing you had a screwdriver in your pocket to change pressures. A more precise range for dispensing beer at home (as opposed to the standard 60 psi gauge) so you are not stuck making a tank change without a gasket. that is set to blow off at 60 psi for safety. Also features a pull ring so you can release excess pressure at any time, a very handy feature. easily connect line and turn off supply of CO2 for working with keg connections etc. Valve features 1/4" NPT threads if you wish to replace the included 3/8" barb. so will not rust. for increased performance and reliability.