Daikin’s patented Streamer technology and Electrostatic HEPA filter to decompose viruses, bacteria, allergens and odors absorbed into the machines. As such, the cleanliness of filters and water tank can be maintained, preventing mold and bacterial growth in the machines, and reducing the frequency of filter replacement. The high-performing Electrostatic HEPA filter catches 99.97% of 0.3?m* fine particles, making it an ideal choice for your home.