Goede G-2 Stainless Steel Forge/Foundry Burner and 0-30 PSI Regulator with Gauge. Heavy duty stainless steel construction. 130,000 BTU rating at 30 PSI pressure Adjustable air choke and expansion chamber The end of the burner measures 1-3/8" to fit 1-1/2" forge/foundry opening. Pressure gauge to measure gas flow