Enhanced Compatibility: Specifically designed for use with for AirMini CPAP machines, our for HumidX Plus cartridges seamlessly integrate with for P10 Nasal and for N20/N30 Nasal Masks, ensuring a and efficient operation. Advanced Humidification Technology: Each features a compact heat and moisture exchanger that captures exhaled heat and moisture and returns it to you as you breathe in, effectively alleviating issues related to dryness without the bulk of traditional humidifiers. Color: As Shown Material: plastic Package Contents: 6pcs * for HumidX Plus Replacement Cartridges Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.