Facilitates The Delivery Of High-flow Oxygen Therapy In A Homecare Setting Provides A Comfortable Alternative To A Mask Allowing Patients To Eat Drink And Talk Provides An Alternative To Continuous Flow Delivery For Hard-to-saturate Patients Compatible With Compressed Gas Cylinders Concentrators And Liquid Oxygen Proven Efficacy For Use At Rest During Sleep And During Exercise Can Be Used With Pursed Lip Breathing Delivers Up To A 4:1 Savings Ratio Disposable Does Not Require Batteries Pendant Model Features A Reservoir That Can Be Worn Underneath Clothing