Air Conditioner Sterilizing & Deodorizing • Mist tip long nozzle equipped. • Strong and Anti-bacterial performance with safe ingredients. • Patented Neutra-Tech Technology effectively neutralizes and removes bad odor in the car. Aqua smell Made in Korea How to Use 1- Remove the safety tab on the top of the injection cap and use. 2- Before use, insert the straw to the nozzle hole in. 3- turn off the ignition while the vehicle circulator is set to an external state and open all vehicle doors. 4- Inject the nozzle as deeply as possible to prevent fluid sprayed into the vents from getting into the vents. 5- Spray 1-2 seconds per vent 6- After using the product, allow natural ventilation for at least 15 minutes to ensure sufficient deodorization effect.