Battery for Rhythm TOC3 Portable Oxygen Concentrators Asthma & Allergy It is a Universal AC

It is a Universal AC Power Supply and will work worldwide with power sources from 100-240 VAC and 50-60 Hz

The simple to use H2O 4 CPAP Distilled Water System rids tap water of calcium

They are used to attach the mask to the lower headgear straps

allowing you to keep multiple batteries charged and ready for use whenever you need them

Battery for Rhythm TOC3 Portable Oxygen Concentrators Asthma & Allergy It is a Universal ACThese batteries are designed for use with all Rhythm TOC3 Portable Oxygen Concentrators. Each battery will last approximately 4. 9 hours at a Pulse Dose setting of 2 and 1. 9 hours on a Continuous setting of 2 LPM. When attached to a TOC3 Concentrator, battery status and charge level will be displayed on the concentrator's display.