Ocean Reef Neptune III System Full Face Diving Mask with Integrated 2nd Stage, SL35TX INT 1st Stage Regulator, Hose & Surface Air Valve
- Integrated Breathing System – Built-in second stage regulator provides smooth, natural breathing with reduced jaw fatigue and enhanced comfort.
- Quick Removal System (QRS) – Detachable second stage allows fast servicing and replacement (requires Level 1 technician certification).
- Durable & Impact-Resistant Design – Double-coated visor and PU regulator protection ensure long-lasting clarity and rugged performance.
- Enhanced Safety & Control – Includes surface air valve and pre-dive/dive switch for better airflow management and added safety underwater.
- Complete Diving Setup – Comes with SL35TX INT first stage regulator, standard hose, extender frame accessories, and multitool for a ready-to-dive system.
Experience next-level underwater performance with the Ocean Reef Neptune III System—an advanced full face diving mask engineered for comfort, safety, and versatility. Designed with an integrated second stage regulator, this innovative system delivers smooth, effortless breathing while maintaining a streamlined, all-in-one profile. Built for demanding dive conditions, the Neptune III features a rugged, double-coated visor for exceptional clarity and durability, along with enhanced regulator protection to withstand impact. Its redesigned orinasal pocket ensures a secure, comfortable fit, allowing natural breathing through both nose and mouth—promoting better air management and reduced fatigue. The system includes the reliable SL35TX INT first stage regulator, standard hose, and surface air valve for added convenience at the surface. With its Quick Removal System (QRS), divers can detach the second stage for faster servicing and maintenance (Level 1 technician certification required). Combining panoramic visibility, practical design, and advanced safety features, the Neptune III System is ideal for recreational, professional, and technical divers seeking a complete and adaptable full face mask solution.
WARNING: This product can expose you to chemicals including lead, which is [are] known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov


