... in hotel, bar, KTV, offices, schools, cinemas and other public places, especially in some smoking area, ... climate, and treat exhausted air.Polluted air enters the air cleaner through the top front grille of ... passes back into the room through the bottom front grille.The whole process do not need ... Voltage220-240V, 50HzPower Consumption130 Watts air purifier with activated carbon and ozone(OLK-A-02)