ResMed
H3i ™ to H4i ™ Upgrade Kit

Now with 30% more humidity

NOTE: Since the H3i water chamber has been discontinued, users are required to purchase the H4i upgrade kit if a new chamber for their H3i is needed.

Contents of Package: H4i Tub, H3i to H4i adapter gasket

• Delivers the most humidity output of any integrated device
• Clicks easily into place and supports ResMed’s full S8™ platform from entry-level CPAP/APAP to premium VPAP™ bilevels
• Compact design is unobtrusive in the bedroom and easily packed for travel
• User-friendly humidity controls
• High volume capacity
• Flip-top lid design and optional water chamber make it easy to clean and refill