This octopus is based upon the XTX50 second stage mentioned previously

It includes left / right reversibility, cold water capability and the performance you would expect from an Apeks pneumatically balanced valve

Diver-adjustable controls for opening effort and venturi control

Excellent cold-water performance due to the highly efficient heat exchanger

The unit has a high visibility yellow front cover, yellow accent pieces and a 36" yellow hose

Ratcheting venturi