Ltpgtthe symphony diet 22i evaporative air cooler is a sleek and stylish unit which thrives on very little energy and has an air throw of 25 feet and with an 9 litre tank capacity cools up to 200 sq ft these chic models need very little space and are quiet running unitsltpgt ltulgt ltligtdura pump technologyltligt ltligtempty water tank alarmltligt ltligtsystem restore functionltligt ltligthigh efficiency honeycomb padltligt ltligtfull fu