Microban - Protection that lives on. Keeps killing 99.9% of bacteria for up to 24 hours (Kills 99.9% on Enterobacter aerogenes and Staphylococcus aureus for 24 hours). 24 Hours of protection from bacteria growth (even after multiple touches). Safe for use on these surface materials: Sealed granite, sealed marble, glazed tile, formica, Corian, and stainless steel. Prevents the growth of mold and mildew for 7 days on hard surfaces. Kills in 60 seconds: Bacteria, Viruses: Pseudomonas aeruginosa, Salmonella enterica, Staphylococcus aureus, Escherichia coil 0157:H7, Human coronavirus, Herpes simplex virus type 1, Herpes simplex virus type 2, Influenza a H1N1, Respiratory syncytial virus [RSV]. Contains no phosphates. Bleach-free. Questions or comments? Call 1-800-608-3228.