• McKesson OPA/28 Test Strips
• 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
• 90 seconds read time
• 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.
• Not Made with Natural Rubber Latex.
• Packaged: 50 Strips Per Bottle, 2 Bottles Per Case

2. California Proposition 65 WARNING: Some products on this website contains progesterone, a chemical known to the State of California to cause cancer. Consult with your physician before using this product

3. The statements made or products sold through this site have not been evaluated by the Food and Drug Administration (FDA) or by EU Health Authorities. They are not intended to diagnose, treat, cure, or prevent any disease. Read More