This pack includes the AirFit F20 Complete Mask System and everything that is required to connect it to the ResMed AirMini™ Portable PAP device. The AirFit F20 Full Face CPAP mask is ResMed's most technologically advanced Full Face mask that features improved comfort due to innovative enhancements and a simple design. This mask is easy to use and reassemble. Designed for a universal comfortable fit that is just right for you. Uses a soft, flexible frame, and magnetic clips for extra comfort and simplicity when putting on, using, or removing the AirFit F20 Full CPAP mask. Please follow this size guide to determine the most appropriate fit: Size Guide This bundle includes: AirFit F20 Full-Face Mask Complete System (Small, Medium, or Large) AirFit F20/F30 Connector AirMini Tubing HumidX F20 Please note: For Medical implants that interact with magnets or metallic implants that are susceptible to magnets, it's advised that this mask is not used since it contains magnetic clips. Please consult with your physician before using these types of masks. For the version of this mask with non-magnetic clips, please follow this link here. The AirMini F20 setup Pack is compatible with the HumidX F20 only and is not compatible with the HumidX Standard and HumidX Plus.