Nongluteraldehyde 0.575% orthophthaldehyde (OPA) solution. Ready-to-use high-level disinfectant that achieves disinfection in just 10 minutes at room temperature (20°C) and offers a reuse period of up to 28 days. Significantly reduces the risk of occupational hazards including eye, skin, and respiratory tract irritations and sensitization. Test strips should be used to verify the minimum recommended concentration (MRC) prior to each use.