Norgren® by Dixon® Relieving General Purpose Miniature Regulator with GC620 Gauge, Series: 1 Series R07, 1/4 in PTF, 15 scfm Flow Rate, 5 to 100 psig Pressure Norgren® by Dixon® R07-200RG 1 Series Relieving General Purpose Miniature Regulator with GC620 Gauge, 1/4 in PTF, 15 scfm Flow Rate, 5 to 100 psig Pressure