How to distinguish between Ozone and Ozone-free according to the bulb/tube outlooking?
Actually, there is a simple way to find the difference(find the symbol O3).
Example as below:
Or, try to find the printed "Ozone". Example as below:
How to distinguish between Ozone and Ozone-free according to the bulb/tube outlooking?
Actually, there is a simple way to find the difference(find the symbol O3).
Example as below:
Or, try to find the printed "Ozone". Example as below: