16-Cell Extended Battery for FreeStyle Comfort Portable Oxygen Concentrators 26958-with-26953 This Starter Kit includes the

This Starter Kit includes the Bleep Eclipse Frame with Short Tube and 32 night's worth of Eclipse Halo patches

without the need for a traditional water based heated humidifier

A fine cloth inner lining -- the Zzzephyr seal -- improves fit and increases comfort

These Wisp frames from Respironics are designed for use with all Wisp CPAP/BiPAP Masks

and related accessories

16-Cell Extended Battery for FreeStyle Comfort Portable Oxygen Concentrators 26958-with-26953 This Starter Kit includes theThis Extended 16 Cell Rechargeable Battery for FreeStyle Comfort is offered as an additional option for people who are looking to get more time out of their FreeStyle Comfort than what the typical battery that comes with the concentrator provides.