Delivering NIV the lighter way The Quattro™ Air NV is ResMeds lightest non-vented full face mask for patients on long-term noninvasive ventilationboth in the hospital and at home. With only five parts, its simple mask design delivers efficient, comfortable treatment. Other features The flex-wing forehead support feels light on the face and allows for a dynamic range of adjustments to enhance patient comfort. The dual-wall Spring Air™ cushion delivers a comfortable, high-performance mask seal, making NIV therapy easy and effective. The quick-release elbow with side buttons makes it easy to detach and reattach the circuit to the mask. The headgear attachment hooks make it easy to put on and remove the mask.