Gas Control Equipment Zen-O Portable Oxygen Concentrator with Standard Battery Certified Pre-Owned M2 Cylinder with Bag The FreeStyle Comfort recharges the

The FreeStyle Comfort recharges the battery pack when it is installed in the concentrator

Safety features and safeguards in the pump prevent overflow and possible contamination

Available in an extensive array of configurations

discreet place to store mask and tubing while not in use

and it provides more than 14 hours of battery life

Gas Control Equipment Zen-O Portable Oxygen Concentrator with Standard Battery Certified Pre-Owned M2 Cylinder with Bag The FreeStyle Comfort recharges the*Certified Pre Owned* Main Features Dual Flow Mode Zen O offers user the best of both worlds with two modes of oxygen deliver pulse and continuous Simple and Easy to Use Designed with users in mind, it is simple to use with intuitive button operation and LCD display Auto Mode Feature activates after 60 seconds if no breath is detected and will automatically deliver pulses Dual Battery Capability can hold up to two 12 cell batteries to provide up to 9.