ResMed Replacement Tub for HumidAir H4i CPAP Humidifier humdifer The AirFit N30i's silicone SpringFit

The AirFit N30i's silicone SpringFit Frame is designed to adapt to your movements

SmartRamp: SmartRamp will monitor the user and increase pressure only if an event occurs

One set of headgear clips is included with this purchase

At the heart of the Amara View is its unique under-the-nose cushion

Another great feature is the eco-friendly diffuser filter that improves air filtration and reduces sound levels by 33%

ResMed Replacement Tub for HumidAir H4i CPAP Humidifier humdifer The AirFit N30i's silicone SpringFitReplacement tub for the H4i Humidair Humidifier, used on S8 machines. The Humidair 4i is an optional upgrade for ResMed S8 CPAP, Autoset Spirit and Autoscore flow generators. The H4i clips onto the front of the S8, replacing the front sound baffle. Make sure your Humidifier is an H4i before you order this replacement tub.