High Efficiency Evaporative Air Cooler

*keeping cool and increase humidity *air reduction range:10-15� *small investment, high efficiency (is only 18 the traditional central air conditioning power consumption) *no need to close the doors and windows when you use air cooler. *clear and fresh indoor evironment. *lower power consumption, no need freon. *large air output and suitable to be used in public place, workshop,and residential house. *with good quality material. *easy installation.