Symphony is the most trusted brand in the market of air coolers. I am using this air cooler. It is compact but loaded with great features. It has a tank capacity of 17 litres. A great cooling capacity up to 28 cubic meters. It is fully remote controlled which makes it comfortable to operate. It is fitted with dust filter to deliver odour less, fresh and pure air. It has high quality aspen honey comb pad. It has automatic water tank empty alarm to ensure timely filling of water which is a great feature. It is provided with dura pump technology for enhanced pump life. It has a power requirement of only 105 watt. Excellent product