Fermonster Lid O-ring

With the Fermonster Lid O-ring, achieve a secure and trustworthy seal for your 6 or 7-gallon Fermonster carboys. Made with food-grade materials, this sturdy O-ring prevents any air from entering during fermentation, maintaining the excellence 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