Welcome to Simplyo3!
Would you prefer to have more concentrations to choose from?
Double the concentration choice of any ozone generator!
This will allow you to choose the exact concentration you want. Say you see a concentration of 45 gamma and 25 gamma on your ozone generator, but there is no in between.This purchase will allow you to get 35 gamma (approximately) without having to purchase a new ozone generator!
With this purchase you will get a calibration of your ozone generator and the Ozone+ regulator.