Air Buddy Octopus
The Air Buddy Octopus

Look at the Air Buddy in the picture above.
It is the tiny black mouthpiece to the right of the normal yellow regulator.
Actually, if you don't count the large chrome mounting nuts which are identical to those on a normal 2nd stage, all you can see of the Air Buddy is the silicone mouthpiece.
All the functioning parts are hidden inside where they cannot get in the way.

Here's what it looks like mounted on your regulator.

You see it mounted in its normal position on the end of the yellow octopus hose of the regulator in the picture. It obviosly eliminates all the problems caused by the bulk of an extra normal 2nd stage hanging on your regulator. It does not eliminate the hose. It makes the hose less of a problem.
If you leave your octopus trailing behind, it cannot get caught in coral, monofiliment line or fishermen's nets.
If you tuck it into your BCD, you can tuck it under any strap or stick it in any pocket and it will pull free in an ememrgency without ever hanging up.
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Air Buddy AB2000-Octopus
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aijrbuddy octo hose small 150

High performance model Nitrox ready

 

 

Comes with standard yellow low pressure hose to fit any standard regulator first stage low pressure port.

It will function with hose pressures ranging from 110 psi to 190 psi.

NOTE: this needs to be installed on a regulator that has a normal 2nd stage also installed. If you intend to put it on a regulator by itself you need to also install a safety valve in any other low pressure port. That is available here.