- Description
- Details
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Standard size grommet for most common types of airlocks with a 7/16in stem. Fits all fermenting bucket lids and requires a 1/2in hole.
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Outer Diameter: 3/4in (19.1mm) Inside Diameter: 7/16in (11.1mm) Thickness: 1/4in (6.4mm) Groove Thickness: 1/16in (1.6mm) Material: Rubber