Ferry 5 Feet Pure Copper Built In Auto Sensor Remote Control Air Curtain

3-step filtration: Inflow filter: captures coarse dust particles and allergens, Carbon filter: absorbs formaldehyde, benzene and other harmful gases, HEPA filter: captures dust particles and other allergenic particles
UV-C radiation: destroys microorganisms

UV-C Radiation: Destroys Microorganisms such as Bacteria, Viruses, Moulds (Including Their Toxins), Automatic Shut off Timer Can Be Set to 2, 4 and 8 Hours