R-18303G
This 540 series oxygen regulator from Drive Medical will regulate the flow rate of oxygen coming from you oxygen cylinder. This regulator uses click-style flow control that is easy to use since each flow rate clicks into place - that way you'll always know you've set the flow rate to your preference. Also, this Drive oxygen regulator features a lightweight, uni-body design that makes it easier to take this regulator with you while out and about. This oxygen regulator is meant for CGA 540 connections, and uses a nut connector to attach to the oxygen cylinder. The oxygen supply tubing attaches to this regulator using a DISS outlet style fitting. This regulator meets or exceeds accuracy standards for ASTM, American National, and CGA, and it has been UL approved.
There are 3 different liter flow increment sets to choose from. All increments are in liters per minutes. Meant for use with M60, M90, H, J, and T size cylinders.