You can deliver oxygen to the anesthesia machine through: Oxygen tanks located on or near the machine. Either the smaller, portable E-tanks or the larger, H-tanks. Plumbed-in wall or ceiling lines that deliver oxygen through an outlet with quick disconnect near the anesthesia machine. Or choose a Supera Anesthesia Innovations anesthesia machine such as the M6000 with built-in oxygen concentrator that enables the machine to draw medical-grade oxygen from the air.