Get everything you need in 1 convenient discounted bundle!It is vitally important to your health to replace parts on a regular basis!In addition to cleaning your CPAP mask, parts such as filters, tubing and water chambers should be replaced regularly.This Essential Replacement Parts bundle includes; 2x ResMed AirMini CPAP Disposable Hypoallergenic Filters*For best performance, replace the filter every 6 months. Check and replace more often if there are any holes or blockages caused by dirt or dust. The filter cannot be washed.1x ResMed AirMini Tubing *Lightweight, and flexible CPAP Tube from ResMed is designed specifically for the AirMini Travel CPAP and compatible Masks: (AirFit P10, AirFit N20, AirFit F20, AirFit F30) It is recommended to replace your tube every 6 months3x ResMed AirMini HumidX Plus *This 3 pack contains small heat and moisture exchangers (HME) that are designed to provide comfortable and effective humidification. When you exhale, heat and moisture is captured and stored within the HME’s tiny paper ridges. When you inhale, this heat and moisture is released to humidify the air you breathe in. Each HumidX cartridge is usable for up to 30 days after opening.Using distilled water will maximize the life of the water chamber and reduce mineral deposits. It is recommended to be replaced every 6 months. The AirFit N20 and P10 AirMini Kits are compatible with ResMeds HumidX Plus waterless humidification units. The F20 Full Face mask is not compatible.