Heavy duty dual gauge regulator shows remaining pressure in your gas bottle and the pressure inside your keg.

They fit on standard European Co2 bottles (21.8 x 1/14) which is the standard thread size for European, UK and Asian Co2 bottles.

Main line comes out of the regulators outlet :1 meter
Each lines from line splitters to the gas disconnect :0.5 meter

Both gauges have rubber protection to help prevent damage from bumps and knocks.

Regulator has the built on pressure relief valve .