This hyper-concentrated formula delivers even more value per gallon! Kills 99.99% of common bacteria (Staphylococcus aureus, Salmonella enterica, Klebsiella pneumoniae, Pseudomonas aeruginosa, Streptococcus faecalis, and Escherichia coli). Kills 99.9% specified viruses (Herpes Simpex Virus type s, Influenza A2/Japan and HIV-1).