Rubber Stopper - Solid Carboy Bung (#7)

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Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum Temperature: 70°C (158°F).Size: 7 To p Diameter: (37mm 1-15/32') Bottom Diameter: (30mm 1-3/16') Length: (25mm 1') Show more