Oxygen when and where you need it. By renting a portable oxygen concentrator, you receive a reliable device with continual medical and technical support. No tanks, no refills. The device can run on batteries and is approved for travel on commercial airlines. Reserve your system today, and we will ship the device to you via express delivery before you depart for your trip. Enjoy your vacation with a continual supply of oxygen, and return the product to us when you are finished!