Is ventilation pipe installed and installed?

There is a big difference. After installing the ventilation pipe and leading to the outdoor, Yuba formed a complete ventilation path, which can effectively discharge all kinds of fog and muddy air in the bathroom to the outside, while inhaling fresh and clean through the windows, doors and other gaps. The air, so that the entire bathroom is under negative pressure, allowing people to bathe in a fresh environment. If you do not approach the air duct or leave the air duct outdoors, the majority of the mist and air from the Yuba ventilation outlet will be deposited on the bathroom ceiling. The air pressure in the bathroom is almost not reduced, fresh clean air will not be fully replenished into the bathroom. It also cannot feel effective ventilation. For a long time, it is bad for people's health.

Aisle ceiling living room ceiling bathroom window

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