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OPA Concentration Indicator

McKesson Brand

McKesson OPA Concentration Indicator


  • To verify the efficacy of McKesson OPA/28 Solution, user should test for the minimum effective concentration (MEC) prior to each use
  • 3 second dip time, read at 90 seconds
  • Large, easy-to-read indicator pad
  • Definitive color identification comparison chart on each bottle
  • 18-month shelf life (unopened bottle), 6-month shelf life from date of opening

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