Apeks XTX50 primary second stage
The XTX50 Primary Second Stage combines pneumatic balancing with accessible Venturi and opening-effort controls. It allows the diver to choose between the supplied narrow and wide exhaust tees for the preferred bubble-routing arrangement.
- Pneumatically balanced second stage.
- Venturi lever and opening-effort adjustment knob.
- Progressive purge button.
- Comfo-bite mouthpiece.
- Heat exchanger around the valve mechanism.
- Both exhaust-tee sizes included.
Low-pressure regulator hose not included. Use the second stage in an approved compatible regulator configuration. Conversion between right- and left-hand hose routing must be carried out by an Apeks-authorised service technician.

