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Grommeted Airlock Cap for Speidel Plastic Fermenters
Using your existing Speidel lock ring and gasket this airlock cap screws right into the lid of your Speidel plastic fermenters. The grommet will fit standard 3-Piece or S-Shaped airlocks. The cap also provides a tighter seal because it is screwed into the cap where as the Speidel stopper only pushes into the lid.