Argon CO2 Regulator with 8.2FT Hose 0-4000 PSI Gauges Gas Welding Regulator for MIG and TIG, CGA580 Inlet Connection APPLICATION: It can be used with argon, helium and CO2 gas tanks SPECIFICATIONS: Inlet Pressure Gauge: 0-4000 psi; Dual Scale Outlet Gauge: Argon 0-30 CFH and CO2 0-20 CFH OUTLETS: 9/16" male, 5/8" female and 1/4" hose barb CONNECTION: CGA580 inlet connection PACKAGE INCLUDES: argon CO2 regulator, 8.2 feet hose