Barrel Airlock from MoreBeer
From the product description, check product page for current description, price and availability:
An oversized airlock, designed to keep your barrels safe.
This will fit bung holes w/ openings from 1.5 – 2 in.
- MoreBeer has these on sale for $10.39.
- Get Free Shipping: Shipping is also free to most US addresses with a qualifying $59 order.
- Easy Filler Item…. If you’re looking for a filler item to help you qualify for free shipping, consider grabbing some PBW