Did you know that oxygen provides you with more benefits than just living? The Dr. Oxygen Portable Oxygen Generator II delivers a variety of health benefits with a safe, easy, and efficient machine that gives you almost pure oxygen on demand, and these extra packs of Dr.Oxygen Powder A and B make it happen! Breathing oyxgen can help relieve stress, restore a youthful glow, and even help with hangovers! The oxygen system that is Dr. Oxygen is easy to use as well: use one packet each, A and B, with tap water, and just breathe! Be sure to have enough powder packets on hand, so stock up now with 30 Packs of Dr.Oxygen Powder!