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      Why does my ToxCO have an orange circle with 'SEN01' and a date in orange below it?

      Sensor Change Warning On ToxCO

      ToxCO-sensor

      The device's sensor change is due in 60 days or less, contact your local distributor to arrange a service.

      If the problem persists or has not been resolved by the information provided above, please contact your local distributor for more information. Find out who your local distributor is from our website here.