Somnetics Transcend AirMist HME Foam Replacement Filters Graham Field Traveler Headgear is available for those

Headgear is available for those patients who prefer it

Comes with UL/CSA-listed wall plug-in power supply and internal rechargeable battery pack

Allows for the ability to connect two Freedom V² batteries together and lengthen the run time

Replacement mask for LIFE Emergency Oxygen Units

and 50-60 Hz (plug adapter may be required for use outside of North America)

Somnetics Transcend AirMist HME Foam Replacement Filters Graham Field Traveler Headgear is available for thoseThe Transcend AirMist HME foam replacement filters are designed to be used with the Transcend Airmist HME housing adapter. Available in packs of 4, 8, and 12 Replace after 1 week of use