ResMed S9 90W Power Supply Unit (PSU) Suction breathable elastic material that is

breathable elastic material that is gentle on the skin

Unlike standard chin straps that only support the jaw

Please Note: This SKU includes the QuietAir Elbow

Important Operational and Safety Guidance:

Whisper-Quiet Exhalation: The integrated diffuse exhalation system is engineered to disperse air gently and quietly

ResMed S9 90W Power Supply Unit (PSU) Suction breathable elastic material that isEnsure your sleep apnea therapy remains fully operational with the genuine ResMed 90W Power Supply Unit designed specifically for the S9 series CPAP and BiPAP machines. Whether you are replacing a damaged power adapter or setting up a dedicated secondary power source for travel, this high capacity unit delivers steady, regulated voltage to your device. The 90W configuration provides the necessary electrical output to run both your S9 base therapy