Product Overview Replacement HME filter cartridges engineered for HumidX and HumidX Plus waterless humidifier systems, compatible with ResMed AirMini, AirFit N20, and P10 CPAP masks. Each cartridge delivers reliable heat and moisture exchange for consistent therapy comfort at home or on the go. Multi-layer HME cartridge composition effectively locks in moisture and maintains optimal humidification performance. Each humidifier replacement filter for the P10 mask is individuall