PREMIUM OXYGEN SUPPLY TUBING Our oxygen supply tubing has a three channel inner lumen design providing an uninterrupted flow of oxygen that provides maximum safety for the patient QUALITY COMES FIRST We know that quality always comes first. We have the ability to be able to provide our customers with the highest quality standards while still keeping our prices reasonable. NOT SATISFIED?? We understand that not every customer is the same and that not every customers needs are the same. If for any reason you are unsatisfied with your purchase, please reach out to us right away.