Backwater Valve. Ask a plumber

來源: 2024-11-27 19:58:17 [博客] [舊帖] [給我悄悄話] 本文已被閱讀:

https://www.homedepot.com/p/Oatey-4-in-PVC-DWV-Backwater-Valve-439042/100144734