Product Overview Manufacturer #73-OPA28B Brand McKesson Manufacturer McKesson Brand Application High-Level Disinfectant Test Strip Indicator Change Blue to Green Sterilization Compatibility McKesson OPA/28 Storage Requirements USP Controlled Room Temperature Time 90 seconds UNSPSC Code 42281806 Latex Free Indicator Not Made with Natural Rubber Latex Features McKesson OPA/28 Test StripsTo 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.Not Made With Natural Rubber Latex.50 Each / BottlePart Number(s):73-OPA28BBT Reviews (No reviews yet) Write a Review