Nano eliminates harmful bacteria without the use of chemicals. Nano has a self-disinfecting surface reached by a unique double-defense line. Bacteria is destroyed without the use of chemicals. Silver inactivates microbes such as bacteria, fungi, and viruses. Negative ions decompose germs and odors. Titanium dioxide is a photocatalyst which helps transform harmful substances including VOC and ODOR into harmless compounds through a natural oxidation process.