The machine does the job. I have it next to the computer at home, which almost never shuts down, and while before this, after each use of the computer I absolutely had to take a shower, now it's like it doesn't exist. Expensive filters though. In the end, I found a solution. The filters of the MC75 are almost the same (they are thinner), but much cheaper. Compatible though. The plastic pre-filter rinses with a little lukewarm water, by hand. Avoid the sponge and cleaning products. In regular cleaning, a little glass cleaner will do the trick. The metal-plastic units are cleaned by soaking them for 5 minutes in a solution of warm water and cif, tolerable by hand. Pay attention to the wires. It is forbidden to use a sponge. It is forbidden to pull them. Once you have gathered the fibers in one place, carefully, with a lighter, burn them. Rinse and dry very well, as the contacts on the plastic will undergo electrolysis inside the machine and it is not so easy to replace them. If you use a hairdryer at the lowest temperature because you will distort the plastics Kac017a4 DAIKIN 1735099 (30 euros each from the Greek representation) 2013 Unfortunately, what I recommend I learned empirically with the result that the streamer abandoned me. So expensive that I preferred to buy a new unit. I operate it on auto. The filter of this room air conditioner is by far the cleanest! 12/18/2021