... , barb outlet *With two check valves *Output:50PSI >> oxygen regulator Body style: CGA870 yoke styleMaterial: Lightweight aluminum alloy bodyOutlet ... , gold, brown, blue, purpleOutput pressure:50PSIDiameter: 1 3/8 NominalLength: 4 3/5 approximatelyGauge: Ø1.4 0-3000 PSI, Clean for O2 ... Service, UL Listing, Boot, 1/8 NPT, Fill/Refill medical oxygen ...