In the

31.03.2017 | комментариев 0 | раздел: Стены

In some cases, to improve the functioning of natural ventilation in the air duct, a carrier or window is installed by an exhaust fan, which is turned on if necessary. Such fans equipped with timer are especially convenient.

Оставить комментарий

Текст сообщения:

Имя:

E-mail:

Капча загружается...