Why does the dust bag in the AES turn black or have an odor?

(1) If the weather is humid or too much wet garbage is sucked in, after a long time of storage, it will become moldy, black and have a bad smell. The function will not be affected, but it is still recommended that you check and replace the disposable dust bag regularly;
(2) If you run out of disposable dust bags, you can purchase them through ECOVACS Mall.