ResMed S9 Series Power Adapter - 90W Chin Straps and water chamber

and water chamber

The velcro attachment straps on the oxygen concentrator's mobile bag are intended to secure your bag to the mobile cart

Handles the rigors of CPAP/APAP/VPAP pressure(up to 30cm H20)

so you'll never have to worry about an interruption when you use the HDM Z1/Z2

or if your mouth drops open during sleep

ResMed S9 Series Power Adapter - 90W Chin Straps and water chamberCPAP and BiPAP Power Adapter The external 90 watt power supply plugs into wall outlets. This is a 90 watt AC supply and it cannot be used in a DC configuration. Additionally, this adapter can be used with all S9 machines. This 90 watt power supply is required for ResMed S9 CPAP Machines using an H5i heated humidifier. Plug Your CPAP In With the power adapter, you can plug your CPAP machine into wall outlets wherever you go. Don't compromise on