Air Oxygen Blender flow for high flow therapy has been specially designed with 60 lpm Cascade Flow Meter (30+30) at a precise resolution 2.5 litres. ±3%FiO2 accuracy at any set point and Oxygen concentration control 21 to 100%. It features gas supply failure alarm and has a minimum bleed of 2.5 lpm facilitated with bleed ON/OFF facility.