Isi Marked Multi Stage Gas Regulator For Acetylene Gas Confirming To To Is- 6901/2018 With Stainless Steel Diaphragm At First Stage And Neoprene Rubber Diaphragm At Second Stage To Ensure Stability Of Pressure Of 1.5 Bar At Outlet And Max. Inlet Pres Sure 25 Bar. [ Warranty Period: 30 Months After The Date Of Delivery ] ]