This unit has oxygen failure alarm and N2O cut-off system. When
the pressure of oxygen falls down less than 1 1/2 L.P.M. the machine will not work N2O Gas will cut down. Oxygen failure alarm automatic will be on. It is lengthy alarm you have to close N2O cylinder to stop alarm.

Note : The photograph on the front cover shows certain accessories which are optional : 1. Circle Absorber 2 Cylinders. 3. Conversion Kit for O2 & N2O ( Mox Regulators) 4. B.P. Apparatus. Our company has a right to change the design of Unit without any notice.