Now that you have completed your Open water course, take SDI's Computer Nitrox. Nitrox is a breathing gas has a lot of benefits for both new and experienced.  The course will cover the use of Nitrox mixtures from 22 to 40 percent oxygen.
 
Includes:
SDI Student Presentation Bag
SDI Logo Sticker
SDI Student Record Folder
SDI Computer Nitrox Student Manual
SDI Computer Nitrox Knowledge Quest
SDI Temporary Card
Plastic EAD Table