Zen-O Lite Portable Oxygen Concentrator is a compact and lightweight pulse flow concentrator designed to be easily carried where ever you need to go. An LCD screen panel with intuitive buttons are positioned on the top of the machine for easy access even when the concentrator is placed in the carry bag. An optional rucksack is available for hands-free portability. Manufactured by GCE Healthcare, the Zen-O lite is designed for people with an independent and active lifestyle. Its robust and rugged construction allows you to press ahead with your everyday life confident that it will continue to perform.