Micro 510 CPAP Machine with Solo Nasal Mask BundleWe put this bundle together if you want a CPAP setup that's easy to use every night without a lot of adjusting or troubleshooting. The Transcend Micro 510 is a travel sized Auto CPAP that adjusts pressure automatically between 420 cmHO based on how you're breathing. It uses a waterless humidification system so there's no distilled water to pack, and it works with any standard 22mm mask connection. Small enough to fit in a bag pocket, it works just as