Norgren® by Dixon® General T-Handle Regulator with GC620 Gauge, series: 1 Series R07,3/8 in PTF, 110 scfm Flow Rate, 5 to 125 psi Pressure. Norgren® by Dixon® R11-037RG 1 Series General T-Handle Regulator with GC620 Gauge, 3/8 in PTF, 5 to 125 psi Pressure