The O2EII™ is really easy to use with a simple 5 step process  allowing you to plan for a safe nitrox dive.
Easy to use  -  Ergonomically designed comfort grip with automatic switch off after ten minutes.
Easy to read  -  Once you have completed your analysis, simply freeze your reading on the display
Easy to carry  -  The O2EII™ is fitted with a handy wrist lanyard.
Easy to maintain  -  The O2EII™ oxygen sensor has a long life and is easy to change.

Analox O2EII Nitrox Analyser 
WITH Waterproof protective box
£190 inc delivery in Mainland UK