II-ND STAGE TEC1 O2 GREEN - EN250A
> Small and light second stage for universal use - O2 VERSION
> Classic design = reliability in all conditions, convenient maintenance
> Breathing parameters in compliance with EN250A norm – confirmation of the best quality and safe use even in the coldest water conditions
SPECIFICATION:
- pneumatically balanced
- Venturi effect adjustment
- breathing resistance adjustment knob
- aluminium outer ring
- additional heat exchanger for cold waters
- weight: 250g
- ergonomic mouthpiece