We will talk about the benefits and answer questions about this cool air. Then if you choose to take the course ......The SSI Enriched Air Nitrox program will teach you how to safely plan and dive with enriched air mixtures of up to 40% oxygen. Diving with enriched air can increase your no-decompression limits, increase your safety, and reduce the required length of your surface intervals when compared to air. You will earn the SSI Enriched Air Nitrox 32% or 40% certification after completing this program.