High Concentration Oxygen Mask is used to deliver oxygen to a patient or person in need of oxygen therapy. It comes with a flexible tube attached to it that is placed over the nose & mouth and is connected to an oxygen tank. The mask allows the patient to breathe in oxygen from the tank. It is manufactured by using non toxic medical grade PVC material in a variety of sizes and types. It is designed with an adjustable strap and offered with integrated nasal bridge to easy installation of this mask. Clients can buy this High Concentration Oxygen Mask from us in bulk quantity.