Save space with the M2300 wall-mount unit. This best-selling model is an ideal solution for station work, such as radiology, or for use in dental areas where a floor stand machine is too much. M2300 package includes: Proven unidirectional valve design Quick disconnect common gas outlet 0-4 Lpm O2 flowmeter with mechanical stop flow control Oxygen flush with safety restrictor Mounts on 16? centers Quick-change “One Seal” canister