Focus on efficiency:
The new GasX has significant higher capacity, and lower opening pressure than the previous version.
Opening pressure required is now only 0,5 bar, which gives great advantages:
GasX can operate on low pressures and provide good diffusion in the fish tank, and still have large capacity in reserve for any emergency situation.
With this low opening pressure, the GasX is ideal for generator supply of oxygen.

Read more about GasX here