Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Gas Type=Oxygen; Flow Range=1/4, 1/2, 1, 2, 3, 4, 6, 8, 10, 15 LPM; Inlet Pressure=3000 psi [Max]; Outlet Pressure=500.0 psi, 500.0 psi [Max]; Pressure=50 psi; Inlet Connection=CGA-870 Yoke; Gauge Size=1 1/2 in; Filter Material=Sintered;