This super Italian, quality made, Cavagna 37mb x 4kg/hr bulkhead mounting Regulator has a direct to pigtail fitting ( W20 -It needs a pigtail to go from the bottle or tank to this regulator ) on the inlet and because the outlet is a 3/8" BSPF opening, you can choose various options to get the gas out - 8mm or 10mm compression ( direct to copper ), or even rubber pipe fitting, which are all available to purchase separately.
There is no test point on this regulator and a separate inline test point will need to be used / fitted
This is the only 37mb regulator that will fix direct to a Auto Changeover if required
This Regulator comes with Cavagna's no quibble 5 year warranty.