Bonsai Velocity Pneumatic Oxygen Conserver - 1 EachThe Bonsai Velocity is the most efficient pneumatic conserver on the market, enjoying more liter flow equivalencies, continuous flow settings, and a higher savings ratio than the competition. The Bonsai Velocity's decreased delivery time increases oxygen concentration provided to the patient, thus increases the ability to better maintain patient saturation levels, all while maintaining up to a 6: 1 conservation ratio. The Bonsai Velocity delivers a