Crompton Optimus 100 Litre Desert Air Cooler | Auto-Fill & Drain | Humidity ControlWith a powerful air delivery of 5500 m3 hr, the Optimus 100 air cooler is suitable for up to 650 Sq. Ft. room size which helps to keep the room cool & refreshing for a long time. The air cooler comes with 100L tank capacity which allows you to experience cool air for a long time while the auto fill allows continuous water supply. Large ice chamber lets you add good amount of ice that keeps the room chilly for a long time while its easy maintenance