Ltpgtthe symphony diet 50t evaporative air cooler is a sleek and stylish unit which thrives on very little energy and has an air throw of 35 feet and with an 50 litre tank capacity cools up to 250 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 f