Works With Any Existing Anesthesia System! The revolutionary Pureline OC6000 Oxygen concentrator system provides on-demand oxygen to any existing anesthesia system. While similar machines have been in use in Europe for years, Supera Anesthesia Innovations has perfected the technology, added safety features, and now is making this money-saving equipment available here. The built in E-tank manifold allows mobile use of the machine without power and protects your subject in case of a power failure. The Pureline OC6000 O2 Concentrator is FDA approved, UL tested, and backed by the industry's best three year warranty.