not really, just unscrew it with hand and put back. you need

来源: borisg 于 2023-11-25 19:24:29 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (3694 bytes)

a gasket ring like this 1 1/2 p trap gasket from www.homedepot.com 1 1/2 in, 3 dollars.

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