When sourcing a hookah diving system, the compressor performance is the most critical factor. Ensure the unit provides a displacement of at least 3-4 CFM (Cubic Feet per Minute) to support a single diver at depth. For the power source, choose between oil-free electric compressors (ideal for quiet operation and clean air) or gasoline-powered engines (best for remote locations). Additionally, verify that the air filtration system utilizes multi-stage filters to remove moisture, oil mist, and carbon monoxide, ensuring the air is breathable and medical-grade.