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Replacement water chamber for a ResMed H4i heated humidifier.
Provides optimal performance for H4i humidification system.
Water Chamber tubs should be cleaned daily and replaced every 6-12 months depending on care and condition
The ResMed H4i Standard Water Chamber should NOT be removed for cleaning.
If you have a H3i™ Humidifier, you will need the H4i™ Lid to be able to use the H4i™ water chamber in your H3i™ Humidifier.