Easy operation Elegant trolly to make the cylinders invisible Safe: fail-safe system, oxygen flush button, emergency air valve, pressure gauge on the panel and alarm system Dimensions (W x H x D):32 x 36x 25(cm) Weight: 3.5 kg Mixed Gas Outlet Diameter: 7/8" Nominal (22mm) Oxygen Inlet: Male DISS9/16" Nitrous Oxide Inlet: Male DISS 3/4" Nitrous Oxide Mixed Ratio Range: 0-70% Oxygen Flow Range: 1.0-10 LPM Nitrous Oxide Flow Range: 0-7 LPM Inlet Pressure (each gas): 50-55 psi Resuscitator Connector: Male DISS 9/16" Resuscitator Connector Flow: 100 LPM Oxyge