OXYGEN REGULATOR / VALVE FOR "M2" TO "E" SIZE OXYGEN TANK. THE HEALTHCARE OXYGEN REGULATOR HAS BEEN DESIGNED TO PROVIDE A CONSTANT FLOW OF OXYGEN FROM THE CYLINDER TO THE PATIENT, EITHER DIRECTLY OR IN CONJUNCTION WITH AUXILIARY EQUIPMENT. THE REGULATOR DELIVERS THE PROPER FLOW BY SELECTING THE DESIRED LPM FROM 0 TO 8 LPM. IT STARTS FROM 0 lpm lpm,0.5lpm ,1lpm ,1.5 lpm,2 lpm,2.5 lpm,3 lpm,4lpm ,5lpm ,6 lpm,7lpm ,8lpm. EACH OXYGEN REGULATOR IS EQUIPPED WITH AN INTERNAL PRESSURE RELIEF VALVE THAT WILL PREVENT OVER PRESSURIZATION OF THE REGULATOR. THE OPERATING PRESSURE IS FROM 500 TO 2500 PSIG. THIS IS ONLY FOR MEDICAL OXYGEN.INLET CONFIGURATIONS: CGA 870 PIN INDEX YOKE OUTLET CONFIGURATIONS: BARBED OUTLET FOR DIRECT ATTACHMENT OF TUBING, DISS 1240 FITTING. THIS OXYGEN REGULATOR CAN BE WIPED DOWN WITH A CLEAN SOFT CLOTH. WE ARE ALSO SELLING EMPTY D TANKS AND OXYGEN CARTS. HAPPY SHOPPING