Ordering Description Product number Description: EDGE Series, ESS72-15-510 High Flow/Manifold Regulator (Acetylene) Product number: 0781-5254 Description: EDGE Series, ESS72-15-997 High Flow/Manifold Regulator (Acetylene) Product number: 0781-5248 Description: EDGE Series, ESS72-15-510LP High Flow/Manifold Regulator (LP Gas) Product number: 0781-5255 Description: EDGE Series, ESS72-200-997HYD High Flow/Manifold Regulator (Hydrogen, Methane) Product number: 0781-5247 Description: EDGE Series, ESS72-200-992 High Flow/Manifold Regulator (Oxygen) Product number: 0781-5256 Description: EDGE Series, ESS72-200-540 High Flow/Manifold Regulator (Oxygen) Product number: 0781-5251 Description: EDGE Series, ESS72-200-580 High Flow/Manifold Regulator (Inert Gas) Product number: 0781-5250 Description: EDGE Series, ESS72-15-997LP High Flow/Manifold Regulator (LP Gas) Product number: 0781-5249 Description: EDGE Series, ESS72-200-996 High Flow/Manifold Regulator (Air, Oxygen, Inert, CO2, N2O) Product number: 0781-5246 Description: EDGE Series, ESS72-200-350 High Flow/Manifold Regulator (Hydrogen, Methane) Product number: 0781-5252 Description: EDGE Series, ESS72-200-500 High Flow/Manifold Regulator (Air, Oxygen, Inert, CO2, N2O) Product number: 0781-5245