For adult & Ped use. High flow humidification, great for chronic & COPD patients. The AIRVO™ 2 sets a new standard for delivering Optiflow™ to patients, providing performance and convenience with its integrated flow generator and innovative oxygen delivery system. For Flow rates: 15 – 50 L/min. features Precise FiO2 delivery: 21% to 80%, Optimal humidity delivery, Integrated oxygen mixing, Inbuilt oxygen sensor, No probes or external air supply required and Simple controls.