The Rapicide OPA-28 Test Strips for Verifying Concentration of Rapicide Disinfectant from SPS Medical Supply, available through LabSupplies, delivers professional-grade performance for clinical, surgical, and laboratory settings. OPA Concentration Indicator Rapicide™ OPA/28 Pad 50 Test Strips Bottle Single Use. Backed by McKesson quality and fast, reliable fulfillment.Features & Benefits Test strips for Rapicide OPA feature a large, easy to read indicator pad. Color chart on bottle provides a pass/fail reference. 3-second dip time with 90-second read time Specifications Manufacturer SPS Medical Supply Manufacturer Number (MPN) ML02-0137 Brand Rapicide™ OPA/28 McKesson Item # 835024 Unit of Measure Bottle Quantity per Unit 1 Country of Origin United States Container Type Bottle Form Pad For Use With For Rapicide® OPA/28 OPA High-Level Disinfectant (ML02-0127) Usage Single Use Volume 50 Test Strips