This is the upgrade kit for S8 CPAP and VPAP Series H3i Heated Humidifier.
The kit ships out as two separate pieces:
- H4i Top Cover & Seal - ResMed part number 26953
- H4i water Chamber - ResMed part number 26952
Switch to the H4i chamber design and improve humidity by 30%. The All-in-one design helps keep the system compact as well as improving water capacity up to 390ml.
An upgrade kit which includes a dishwasher safe chamber for easier cleaning is also available You can view and order that kit here: Dishwasher Safe H4i™ Water Chamber Upgrade Kit for HumidAire 3i™ Heated Humidifiers
Return On Warranty Issues Only