Venturi vacuum
& Inhalation resistance control.
The maximum adjustment range.

Pneumatically Balanced.
Natural breathing, like ever felt.

Anti-Freeze.
Ready for any conditions.
Even the worst.

Silicone mouthpiece.
Comfortable for mouth and for jaw.

Balanced.
Constant and effortless air flow
unaffected by changing tank pressure.

Anti-Freeze.
The coldest water is not a problem.

2Hp 4Lp.
2 angled high pressure ports,
4 angled medium pressure ports.