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OPI models incorporate an Oxygen Percentage Indicator (OPI) as an additional safety measure
Proudly innovated
It also comes with an accessory bag so you can take your extra batteries with you on the go
the cushion is available in either Gel or Silicone
One battery is included
ResMed S9 H5i Standard Water Chamber Full Face Mask OPI models incorporate an OxygenAbout the ResMed S9 Water Chamber The ResMed S9 H5i Water Chamber is a replacement component for the H5i humidifier used with the S9 CPAP machines. This disposable water chamber is designed to last up to 3 months and is an essential part of maintaining optimal hygiene in your CPAP therapy. It should be used with distilled water only and requires regular cleaning to prevent bacterial buildup. Please note that it is not dishwasher safe, and it is
