Gentec's 199CD-60 Radiator-Type Regulator/Flowmeter for CO2 is designed for applications requiring high gas flow rates, up to 60 SCFH without freezing. Flowmeter is back pressure compensated to ensure accurate reading when line restrictions are present. Regulator is preset to deliver 50PSI into the flowmeter which is calibrated to operate at 50 PSI. Anodized aluminum body. Sintered bronze inlet filter. CAUTION: Use this regulator only with non-siphoned standard CO2 cylinders.