How To Use Progressive Web App aka PWA On 420 Magazine Forum
Note: This feature may not be available in some browsers.
Remove and wash the outer cover. That's about all you can do unless you want to disassemble the filter and wash then reactivate the carbon. Which I think is unreasonable given the risk.
I had problems with the air outtake (carbon filter -> aluminum tube -> fan -> cool tube -> room). It became weaker and weaker and a bit smelly. What I did is: get off the white cover and washed it and I carefully vacuum cleaned the carbon filter's holes (it was full of with dust inside and outside as well). After this cleanup there are no smells, it is super clean and the fan sucks the air in like hell I will do this in every 3 weeks I think because the air what comes in the windows is very very dusty