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Fermonster Lid O-ring

The Fermonster Lid O-ring is an essential accessory designed for a tight and reliable seal on your 6 or 7-gallon Fermonster carboys. Crafted from food-safe materials, this durable O-ring ensures no unwanted air enters during fermentation, preserving the quality of your brew.

Fermonster Lid O-ring Key Features

Compatible with Fermonster 6 & 7 Gallon fermenters
Ensures an airtight seal for optimal fermentation
Made from durable, food-safe materials
Easy to install and clean

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California Proposition 65

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⚠ Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.

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Fermonster Lid O-ring for 6 & 7 Gallon

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