| 摘要 |
The technology of the present invention relates to a bathroom-integrated drain connection device used for a wall type drain connection method connecting sewage on a sink, a tub, and a bathroom floor surface to a sewage standpipe inside a wall. The present invention reduces noise generated in an existing connection method through a lower layer pipe. The bathroom-integrated drain connection device of the present invention can be installed through a finishing layer formed on a concrete layer and a shelf-type wall. |
