To use, simply open the valve while on the surface or outside of the water to breathe ambient air, and close it when ready to dive.
- Easy to grab, sturdy design.
- Large air vents
- Easy to assemble on the mask
The Surface Air Valve III Basic is retro compatible with all prior OCEANREEF IDM models that do not have a Professional or Neptune III SAV installed and an available OCTOPUS/SAV port. The Neptune III SAV III is permanently installed on the IDM/FFM.