NAUI Nitrox Diver Textbook - Scuba Diving Books Videos and CDs Instruction Materials.
- Designed to provide the experience and training necessary to understand and properly address the advantages and hazards of dives using Enriched Air Nitrox
- Textbook has been completely revised
- Now easier to understand and use
- Perfect for the experienced or novice diver wanting to learn about using Nitrox
- FULL MANUFACTURER'S WARRANTY