The bathroom exhaust pipe is black and smelly

The problem is not specific enough, for example, the material of the exhaust pipe, and the exhaust pipe will not be exposed to the bathroom, and it is generally just a floor drain and smell.

The air outlet pipe of the roof is too close to the window of your house, you can use a pipe to cover it with a heightened pipe to solve the problem, the smell should be more serious in winter, especially on rainy days. In the summer, the temperature is high, and the smell dissipates directly. Discoloration is warm, damp and mildew. Clean it in time.

It is mold that turns black, and it is easy to breed mold in the house when it is warm and damp in winter, so if you want to prevent discoloration, you can brush it with a layer of varnish.

The electric towel rack is specially designed for the dampness of the bathroom, and can also remove the moisture and musty smell and odor of the bathroom, which is extremely beneficial to human health.