H4i vs. HumidAire 3i What are the differences between the H4i and HumidAire 3i humidifiers?
• The H4i humidifier provides 30% more humidification than HumidAire 3i. • H4i has 65mL greater water capacity to support humidification needs at higher flow rates and pressures. • Both offer user-friendly humidity controls (simply start at setting 3, then customize for comfort). • Both are compatible with the latest ResMed platforms from CPAP to VPAP bilevel therapy. • Both have a snap-top cover – easy to use, set up and refill. • When telling them apart, • the H4i does not have a logo on the front panel. Rather, it is located on the bottom of the device. • the H4i also has a larger heater plate and offers a thumb notch on the rounded top cover. The HumidAire 3i’s cover is more slanted and does not offer a thumb notch.