"Cooling Fan" wet curtain cleaning. 1, rinse with water from the inside out wet curtain (Note: cleaning water pressure is not too high, do not use acidic or alkaline detergent wash clean clothes wet curtain .2 filter: filter can be removed one week cleaned once ( . there are limited to the filter type) "Cooling Fan" filter cleaning cleaning methods are as follows: 1, the filter cover twist follows: 2, remove dirt on the filter: Replace the cover after cleaning is completed Remove in the reverse order of steps Replacing the whole. ( warning: "Cooling Fan" must be shut down and power off when cleaning the unit otherwise electric shock hazard or other injury to the body of the unit).