The machine has a rigid electrostatically powder-coated structure and also available in full stainless steel Provision for mounting 4-pin index type cylinders two each for Oz and N2O Option for 3-tube as well as 5-tube cascade type Rota-meters Hypoxia guard or oxygen ratio controller is provided as standard to ensure 25% oxygen delivery is always maintained in breathing circuit Machine has pneumatically driven and microprocessor controlled anesthesia ventilator with all basic functions to be used in OT Circle absorber of Twin chamber incorporated Changeover from open to close circuit provided.