FEATURE: This product is made of high quality raw materials, which is antibacterial, deodorant and anti-static. It can effectively remove the mold, bacteria and smoke in the narrow space caused by daily use. Suitable for automotive interior, automotive air conditioning and home use! USAGE DIRECTION: 1. Switch on the ignition and the air conditioning. 2. Switch the air system to internal circulation and then turn on the fan at the maximum speed. 3. Open all the air-outlets. 4. Make sure that the windows are all closed. 5. Place product on the passenger-side mat, making sure that the atomized jet does not directly strike the dashboard. 6. Press the distribution button until it fixes in the valve. 7. Step out of the car and close the door. 8. Wait until the spray can is completely empty. 9. Leave product to act with the engine running for at least 10 minutes. 10. Allow fresh air to circulate in the car before getting in.