Find the right stoppers, bungs, and airlocks to protect your wine during fermentation and aging. At MoreWine!, we offer a wide selection of silicone and rubber bungs in various sizes, plus airlocks that create a perfect seal while allowing CO₂ to escape. Whether you're working with carboys, barrels, or tanks, our winemaking stoppers and airlocks ensure a clean, controlled fermentation. Trusted by home and professional winemakers alike.
Stoppers, Bungs & Airlocks
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BrewBuilt® CoolStix™ Stopper for Fermonster & PET Carboys
Please note: This stopper was designed for use with the BrewBuilt CoolStix which has been discontinued. Two of the holes are for an airlock and thermowell, but the third 1/2" hole was intended for the CoolStix and you will need to plug it or utilize it how you see fit. This #10 3-hole silicone stopper is used alongside the BrewBuilt CoolStix for Carboys. The holes are for a 1/2" CoolStix, an airlock, and a thermowell. The holes measure 0.500", 0.413", & 0.375" Compatible with Fermonsters and our Plastic PET Carboys listed below under "You Might Also Need".
$8.79 $1.99
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Silicone Stopper | 20mm x 36mm | Solid
This versatile silicone bung is made from a food-grade, lead-free material, making it ideal for use with all food and beverages. Dimensions: Tapered Diameter: 20mm to 36mm (0.78" to 1.41") Solid stopper (no hole) KegLand Part Number: KL12829
$1.99
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Stopper - #8.5 With Hole
Size 1 7/16" - 1 3/4" Fits our 1000ml Flask
$4.09
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Silicone Stopper | 32mm x 48mm | With Hole
This versatile silicone bung is made from a food-grade, lead-free material, making it ideal for use with all food and beverages. Dimensions: Tapered Diameter: 32mm to 48mm (1.25" to 1.88") Hole Diameter: 9mm (0.35") KegLand Part Number: KL12836
$4.99
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Silicone Stopper | 20mm x 36mm | With Hole
This versatile silicone bung is made from a food-grade, lead-free material, making it ideal for use with all food and beverages. Dimensions: Tapered Diameter: 20mm to 36mm (0.78" to 1.41") Hole Diameter: 9mm (0.35") KegLand Part Number: KL12812
$1.99
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Silicone Stopper | 19.5mm x 28.5mm | With Hole
This versatile silicone bung is made from a food-grade, lead-free material, making it ideal for use with all food and beverages. Dimensions: Tapered Diameter: 19.5mm to 28.5mm (0.76" to 1.12") Hole Diameter: 9mm (0.35") KegLand Part Number: KL41669
$1.59
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Silicone Stopper | 17.5mm x 22.5mm | With Hole
This versatile silicone bung is made from a food-grade, lead-free material, making it ideal for use with all food and beverages. It's the perfect size for sealing most standard beer bottles, making it a great option for micro and nano brewers. It also serves as a replacement airlock bung for the KegLand Bucket Buddy. Dimensions: Tapered Diameter: 17.5mm to 22.5mm (0.68" to 0.88") Hole Diameter: 9mm (0.35") KegLand Part Number: KL12638
$0.99
