The EasyPulse Total Oxygen Concentrator (TOC) is a portable oxygen concentrator manufactured by Precision Medical to provide continuous oxygen flow and pulse flow and offering a balance between mobile and station oxygen delivery. The TOC weighs less than 11.5 pounds and comes with a carrying cart with a knob-based interface. The carrying cart folds up and offers a telescoping handle, with oversized wheels for greater mobility in difficult terrain. TOC and cart are approved by the FAA and fits under an airline seat. The TOC's battery lasts 3 hours and Precision Medical offers extra batteries allowing the extension of the TOC's mobile use.