Ortho-Phthalaldehyde Solution. Effective, fast acting. Achieves high-level disinfection in 5 minutes at 20°C. Fast-acting: fast turnaround of reprocessed instruments. Long-lasting efficacy - reusable for up to 14 days when monitored with Cidex OPA Test Strips. Easy-to-use: solution with low odour - requires no activation or mixing. Provides a broad-spectrum activity against bacteria, mycobacteria, viruses and fungi. Can be used to disinfect a wide range of medical instruments made of aluminium, brass, copper, stainless steel, plastics, elastomers and dental materials.