OPA Concentration Indicator McKesson OPA/28 Pad 50 Test Strips Bottle Single Use
- 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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