Replacement lid O ring fits both 6 and 7 gallon FerMonsters.
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Apr 17, 2018 by Gabe
Q: will this fit the 3 gallon lid?
A: Yes

Replacement lid O ring fits both 6 and 7 gallon FerMonsters.
Apr 17, 2018 by Gabe
Q: will this fit the 3 gallon lid?
A: Yes