Sonoko SK-999 Air cooler with remote is a premium product for optimum cooling . Being portable in size , it is ideal for home and office use . It has a humidifying feature too. With a tank capacity of 4 liters it has a 3 speed fan of low/ medium and high . There is a swing function with manual selection of ventilation direction up/down . Incase of dust accumulation there is a removable and washable filter . There are two ice boxes for air conditioner like cooling effect .Customer satisfaction is guaranteed.