Citrus II Travel Spray CPAP Mask Cleaner daily for safe and gentle cleansing, deodorizing, and maintenance of all types of CPAP, BiPAP, and Oxygen Therapy, tubing, and accessories. Regular use effectively removes build-up of dirt, grease, oils and organic residue. CPAP mask cushions should be cleaned every morning after use. Tubing, headgear, and humidifier chambers should be cleaned every 1-2 weeks, and your CPAP or BiPAP machine should be wiped down at least once every two weeks. Regular cleaning of your equipment greatly increases its lifespan. Perfect for traveling!