| 摘要 |
Floor-drain renovation insert, which comprises a drain cup component (1) and a stench trap (11) inside the cup component (1). On the edge of the drain cup component (4) is a ring and inside the cup component (4) is a stench trap, which is formed of an open pipe (12, 13) and a flange (14, 17) at on edge of the pipe, in the outer edge of this flange are attachment members (9, 15) for attachment of the ring to the cup component. |
