Designed for Compatibility: Specifically engineered to fit for Airmini, P10, N20, and N30 Nasal Mask CPAP devices, this combo pack ensures optimal performance and a seamless fit for your CPAP therapy needs. User-Friendly Installation: Featuring easy-to-install components, this combo pack helps maintain appropriate humidity levels effortlessly, enhancing comfort during your CPAP therapy sessions. Compact Efficiency: for Our HumidX Plus cartridges feature advanced heat and moisture exchange technology, optimizing the performance of your for Mini CPAP Machine by providing efficient humidification in a compact form. Ideal for Travel: The small size of for the HumidX Plus Replacement Cartridges makes them an excellent choice for AirMini travel CPAP Machine, ensuring you receive effective humidification while on the move, without compromising on sleep quality. Color: As Shown Material: plastic Package Contents: 3 * 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.