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AirSense 11 AutoSet CPAP machine
providing consistent performance
Soft plastic diffuser reduces mineral buildup
the Vita-Ox HD7 DC Power Supply gives you the freedom and confidence to go further
NHLBI: COPD Overview and Treatment (National Heart
Rhythm P2-S4 Triple Battery Inogen AirSense 11 AutoSet CPAP machineRhythm P2 S4 Triple Lithium Ion Battery Maximum Runtime Replacement Spare Maximize your freedom and all day mobility with the official Rhythm P2 S4 Triple Lithium Ion Battery. Designed specifically for the Rhythm P2 S4 Portable Oxygen Concentrator, this triple battery pack delivers the longest runtime available, perfect for extended travel, full day activities, or when you need reliable power without frequent recharging. Key Features & Benefits