International Ozone Indicator Light (IL-1)
The International Ozone Indicator Light (IL-1) is used in the following International Ozone units: TZ-1, TZ-2, TZ-4, and TZ-8
The International Ozone Indicator Light (IL-1) is used in the following International Ozone units: TZ-1, TZ-2, TZ-4, and TZ-8