PROTEX® Disinfectant in the 3.8-liter (1 U.S. gallon) size is a hospital-grade surface disinfectant formulated for ultrasound transducers, probes, and other non-critical medical equipment. It is effective against a broad spectrum of bacteria, viruses, and fungi, and is safe for use on sensitive surfaces. The solution is ready-to-use, fast-drying, and leaves no residue.