4" grommet but pipe is 3"

Old 04-02-16, 09:48 AM
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4" grommet but pipe is 3"

I'm in the process of replacing a sewage basin. The house waste pipe that goes into the old sewage basin is 3" yet I have a 4" grommet and 4" hole in the new basin. How can I seal this up properly?

Last edited by qwertyjjj; 04-02-16 at 10:07 AM.
Old 04-02-16, 03:36 PM
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