The BIOPROTECTUs™ System uses patented, registered technologies: a List N disinfectant to disinfect surfaces against viruses, bacteria, and germs, and BIOPROTECT™ RTU antimicrobial surface protectant, to keep surfaces free of odor- and stain-causing bacteria, fungi (mold and mildew), and algae between cleanings, for up to 90 days (3 months). ViaClean also offers registered BIOPROTECT™ 500 concentrate and FDA-registered BIOPROTECT™ Hydrating Hand Sanitizer.