McKesson OPA/28 High-Level Disinfectant MFG-73-OPA/28• Ready-to-use, no mixing or activating• Long, life, activated 28-day, 0.575% buffered ortho-Phthalaldehyde solutionwhich contains surfactants• 10 minute manual disinfection time at room temp of 68°F (20°C)• 5 minute AER disinfection time at 77°F (25°C)• Contraindicated for urological instrumentation to be utilized for cystoscopy orother urological procedures for patients with a history of bladder cancer• Contains buffering agents for corrosion inhibitors• Not made with natural rubber latex