The clean-up of an air purifier is extremely easy. If you are still having problems then read the instructions below; As you are using an electronic device, you need to unplug the power cord, first. *After that, take a clean cloth and wipe clean the outer exterior of the casing. *Now, remove the cover of the filter. *Remove the filter and then wash them using soap and water. Dry them out. *Then, put those washed filters back into their place. *Attach the external cover and plug in. And it’s done!