16 July 2012
Very interesting material for those who wants to know more about what they breath under water and maybe blend their own gases.
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The Gas Blender Manual from PADI.
*The Gas Blend Calculator CD Pictured is No Longer Supplied with the Manual and No Longer Available from PADI.
16 July 2012
Very interesting material for those who wants to know more about what they breath under water and maybe blend their own gases.
30 June 2014
Excellent manual for the gas blender course
- Colour: No Colour
| Size (Unisex) |
|---|
| One Size |
