Allied Healthcare B & F Oxygen Pressure Regulator Configuration:21025 CE but big in performance WLA 5085 08 but big in performance 809161139709: Model FHD 133 II The Allied Healthcare B & F Oxygen Pressure Regulator is a convenient oxygen regulator suitable for homecare MPN Inlet Outlet Flow Rate Check Valve Gauge #23002 CGA 540 DISS 0 8 lpm No Yes #23003 CGA 540 DISS 0 15 lpm No Yes #23003 CE CGA 540 DISS 0 15 lpm No kPa #23003 CEDN DIN 477 Hose Barb 0 15 lpm No kPa #23004 CGA 540 >Hose Barb 0 15 lpm 1 Yes #23006 CGA 540 Hose Barb 0 15 lpm 2 Yes #23006 CEBN British Bullnose Hose Barb 0 15 lpm 2 kPa #23025 G CGA 540 Hose Barb 0 25 lpm 2 Yes #21020 CGA 870 Hose Barb 0 6 lpm No Yes #22020 CGA 870 DISS 0 6 lpm No Yes #21014 CGA 870 Hose Barb 0 8 lpm No Yes #23014 CGA 870 DISS 0 8 lpm No Yes #21007 CGA 870 Hose Barb 0 15 lpm No No #21012 CGA 870 Hose Barb 0 15 lpm 2 Yes #21017 CGA 870 Hose Barb 0 15 lpm No Yes #21017 CE CGA 870 Hose Barb 0 15 lpm No kPa #21017 CEBAR CGA 870 Hose Barb 0 15 lpm No BAR #23017 CGA 870 DISS 0 15 lpm No Yes #24017 CGA 870 Hose Barb 0 15 lpm 1 Yes #21025 CGA 870 Hose Barb 0 25 lpm 2 Yes #21025 CE CGA 870 Hose Barb 0 25 lpm 2 kPa #21030 CGA 870 Hose Barb 0 25 lpm No Yes #21031 CGA 870 DISS 0 25 lpm No Yes #21032 CGA 870 Hose Barb 0 25 lpm 1 Yes Literature