Dive surface valve
The dive surface valve is the best choice for those who want a simple, light and streamlined mouthpiece tested and loved by many divers.
Price: 399 EUR
Bailout valve combines the reliability of a DSV with a normal regulator, allowing you to switch between closed and open circuit at the turn of a dial. If you consider diving with a full-face mask, the BOV is a necessary addition to your rebreather configuration.
Price: 850 EUR