Enriched air, also known as nitrox or EANx, contains less nitrogen than regular air. Breathing less nitrogen means you can enjoy longer dives and shorter surface intervals. No wonder Enriched Air Diver is the most popular PADI® specialty. Join the PADI Master Scuba Diver Challenge™ Want to reach the pinnacle of scuba diving? Hone your dive skills, build your confidence, and become part of the world’s elite 2% of divers with the PADI Master Scuba Diver™ rating. Take on the Master Scuba Diver challenge! With every PADI course completion from now through December 31, 2024, you will be entered to win a dream dive getaway for 2 to the Maldives. Register here.