ARB (Anti-biotic Resistant Bacteria) disinfectant toilet bowl cleaner, cleans, disinfects & deodorizes. Detergent thickened/9.5% HCI. Destroys dangerous Methicillin Resistant Staphylococcus Aureus (MRSA) and Vancomycin Resistant Enterococcus Faecalis (VRE) as well as the HIV-1 (AIDS) virus. Superb cleaning action removes hard water films and tough rust stains. EPA Registered.