GCE Zen-O 12-Cell Rechargeable Battery OF8002SP-PL The unique frame of the

The unique frame of the Wisp is offered in two formats - Clear Silicone or Fabric

Made from elastic fabric

easy-to-remove external battery

and the unique butterfly-wing forehead support ensures a secure and customized fit

reducing skin irritation

GCE Zen-O 12-Cell Rechargeable Battery OF8002SP-PL The unique frame of theAll battery purchases are final sale. There are no returns on batteries. About the Zen O 12 Cell Rechargeable Battery The GCE Zen O 12 Cell Rechargeable Lithium Ion Battery provides extended power for your Zen O Portable Oxygen Concentrator, offering up to 4 hours on a pulse setting of 2 and 2 hours on continuous flow setting 1. Weighing just 1. 45 pounds, it is compact, lightweight, and easy to swap out on the go. The Zen O can operate with one or