Stoppers, Bungs & Airlocks
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CellarScience® Silicone Bung | Solid | Glass Carboys
Designed to fit 3 to 6.5-gallon glass carboys and 500ml flasks, making it ideal for a variety of storage needs. Ribbed body and ridge prevent slipping or being sucked in, ensuring a reliable seal during long-term storage. Despite its ribbed design, this silicone bung is easy to clean and sanitize for hassle-free use. Solid Silicone bung that will fit a 3, 5, 6 or 6.5 gallon glass carboy or 500ml flask. A solid stopper is the most reliable way to keep oxygen out for long term storage. This bung has a ridge to keep it from getting sucked in when temperatures cool. It also features a ribbed body it doesn't slip out during use. Even though it isn't perfectly smooth like some other stoppers, it remains easy to clean and sanitize. The top measures 1.5" wide and the bottom is 1.13" wide. While the FE592 carboy stopper is a great, economical choice, you may also want to check out our premium, silicone carboy hood FE496 as well. Working as both a solid or a breathable bung (depending on how the plug is set), the FE496 is like getting two bungs in one!
$7.69
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Rubber Stopper - #8.5 Solid
#8.5 stopper - solid. Top diameter 1.66 inches (43 mm), bottom diameter 1.43 inches (36 mm), length 1 inch (25 mm). BPA-free stopper made of food grade materials. Injection molded TPE for superior consistency throughout. Perfect for use with carboys, as the material sticks well to glass and PET, even when wet. To create a solid stopper, simply use a #000 solid stopper (FE400) to plug the hole. Max. Temperature Rating: 158 °F (70 °C).
$2.99
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Rubber Stopper - #13 Solid
#13 stopper - solid. Top diameter 2.64 inches (67 mm), bottom diameter 2.28 inches (58 mm), length 1 inch (25 mm). BPA-free stopper made of food grade materials. Injection molded TPE for superior consistency throughout. Perfect for use with carboys, as the material sticks well to glass and PET, even when wet. Max. Temperature Rating: 158 °F (70 °C).
$6.49
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Locking Silicone Bung for Barrel
Securely bung your full-size barrels with this locking bung. Great for tight bunging barrels while rolling them on their side, moving barrels from location to location, or simply for peace of mind that this bung will not accidently get knocked out of place. A stainless plate embedded in the silicone causes the bung to expand outward when tightened. This creates considerable pressure against the bung opening, ensuring a super solid seal. Use a crescent wrench or 1/2" driver to tighten the nut on top of the bung. Bottom of bung measures 1.5" and the top of the bung measures 2.5".
$36.99
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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
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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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CellarScience® Universal Breathable Bung | Complete Set
Not sure what bung is right for you? We got your back! Get all the Breathable Bungs with this complete set. Includes: Breathable Carboy Bung Breathable Universal Bung Breathable Barrel Bung Breathable Bung for Glass Carboys A breathable Silicone stopper that acts as both a stopper and an airlock. Unique design allows CO2 pressure to escape but keeps Oxygen and airborne contamination out. This quickly became our stopper of choice for wine, and is a popular style used by numerous commercial wineries. Also has great application for beer ferments: It will create a vacuum if fermenting wort cools (as opposed to pulling water in from your traditional airlock.) Airtight seal is great for extended fermented lager when CO2 production is still present but very slight. Fits 3, 5, 6 & 6.5 gallon glass carboys, 1 gallon bottles, growlers, and 500 mL flasks. Replaces Stopper Sizes #6, #6.5, #7, #8 Stopper Measurements: 0.94" x 1.48" (24 mm x 37.5 mm) Universal Breathable Bung This CellarScience Bung has a ridge to keep it from getting sucked in and self-sealing vent holes to let air out but not in. They have a gentle taper, so they don’t slip out during use. They are also very easy to clean and sanitize. This a perfect fit for a 1.5” TC ferrules, Fermonsters, and Vintage Shop Plastic carboys. Replaces Stopper Sizes #8, #9. #10 Stopper Measurements: 1.36" x 1.89" (34.5 mm x 48 mm) Breathable Barrel Bung We recently discovered this premium breathable silicone barrel bung and were immediately impressed with its robust design and features. To start with, the ridge really helps make bung removal effortless. The bung acts as an airlock and allows the release of CO2 while maintaining a seal against oxygen coming in. This makes the bung ideal for alcoholic or malolactic fermentation in barrels or tanks. Fits 30- and 60-gallon barrels as well as the hole in the lid of most Variable Volume tanks! Also fits perfectly in a 2" tri-clamp ferrule Replaces Stopper Sizes #10 , #11, #12 Stopper Measurements: 1.65" x 2.19" (42 mm x 55.5 mm) The flapper stopper protrudes roughly 2.5" from the stopper
$32.99
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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 | 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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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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