?INTORDUCING Pro Co2 Beer regulator. The heavy duty double gauge and professional grade tool that will always tell you working pressure and tank pressure with pinpoint accuracy.;?HEAVY DUTY - DUAL GAUGE This is a completely standard unit - you can be assured it works with everything! This regulator features a convenient knob style pressure dial that can be adjusted without tools. You will need an adjustable wrench to tighten the lock-down nut. You can feel the heft of this unit at almost three pounds and if your Co2 tank is correctly chained to the wall it should last you a very long time.;?HAS a barbed output allowing you connect a variety of gas line types easily. There is a shutoff valve so you can relieve the pressure and easily switch kegs and tanks.;?WORKS GREAT works great with the big 15 gallon beer kegs, 5 gallon corny kegs, and even with the tiny blue Carbacap bottle carbonators! Regulator includes chrome shutoff valve with built in spring loaded check valve to prevent beer from flowing backward into the gas lines.;?Equipped with all the specs a business owner could ever ask, this tool will become your dependable, go-to pressure monitoring solution that will offer you the peace of mind you need. CO2 Beer Regulator, The Pro's Choice!