II-ND STAGE TEC2 BLACK - EN250A
> Innovative construction = better breathing performance
> Reliability in all conditions
> Robust materials = temperature, mechanical & chemical resistance
> Breathing parameters exceed EN250A standard requirements = confirmation of the best quality and safety
SPECIFICATION:
- pneumatically balanced
- Venturi effect adjustment
- breathing resistance adjustment knob
- DFS: direct flow system
- stainless steel outer ring
- teflon coating on metal parts, additional anti freezing protction
- additional cold water heat exchanger
- weight: 260g
- ergonomic mouthpiece
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