Fermenting Ventilating Tall Bung with Burgundy Top | Food-Grade Silicone Barrel Bung for Wine & Beer Makers, Craft Brewing & Vintner Aging Supplies

Fermenting Ventilating Tall Bung with Burgundy Top This is our best seller and is widely used by vintners and craft brewers with barrel aging programs. Specifically engineered for barrel aging programs, our tall ventilating bung provides superior gas exchange compared to standard stoppers. The burgundy top is not just for style; it signifies a professional-grade seal that vintners trust for high-value oak barrels. Its unique 5-hole venting system allows CO2 to escape seamlessly while maintaining a 100% airtight seal against outside oxygen, preventing spoilage during long-term fermentation. Professional Barrel Fit: Specifically designed to fit standard barrel openings (see dimensions below), widely used in professional wine cellars and craft breweries. Self-Grip Silicone: Made from premium food-grade silicone that "grips" the barrel neck, ensuring it stays in place regardless of temperature fluctuations in your cellar or cold room. Easy Maintenance: The burgundy top is easily removable,