Devanti Evaporative Air Cooler Conditioner 45LOur Devanti Evaporative Air Cooler is a monster of an air cooler. It has a huge 45L water tank so that you can keep cool for hours without having to top up the water often. You can also add ice to the cooler for more efficient cooling. The placement of water filters on three sides and the whirlwind airflow of up to 2,000m h allows the cooler to rapidly deliver super cool breezes throughout rooms as large as 30m with its adjustable louvres and