Fermenting Ventilating Tall Bung with Burgundy Top | Food-Grade Silicone Barrel Bung for Wine & Beer Makers, Craft Brewing & Vintner Aging Supplies - 5 Pack - Free Shipping Color:Yellow Pure Medical-Grade Silicone: Crafted in

Pure Medical-Grade Silicone: Crafted in the USA from 100% food-safe white silicone that is BPA-free and non-porous

Handy 5 and 10 Packs for your volume needs

our tall ventilating bung provides superior gas exchange compared to standard stoppers

Use with 13 mm (1/2") box end wrench or socket

Fermenting Ventilating Tall Bung with Burgundy Top | Food-Grade Silicone Barrel Bung for Wine & Beer Makers, Craft Brewing & Vintner Aging Supplies - 5 Pack - Free Shipping Color:Yellow Pure Medical-Grade Silicone: Crafted inFermenting Ventilating Tall Bung with Top Save time and money with a 5 pack of our best selling bung. Free shipping in the US included. 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