Create a tight, reliable seal for your fermentation setup with this Medium Universal Stopper with Hole. Designed to fit a variety of carboys, jugs, and fermenters, this versatile stopper ensures a snug fit while accommodating an airlock for proper gas release during fermentation.

The pre-drilled hole allows for quick and easy airlock installation, helping maintain a controlled environment and protecting your batch from contamination. Made from durable, flexible material, it forms a secure seal while remaining easy to insert and remove.

Ideal for both beginners and experienced homebrewers or winemakers, this universal stopper offers dependable performance across a wide range of setups, making it an essential addition to your brewing toolkit.

• Made of FDA materials, BPA free
• Made of Silicone
• Shore hardness: 70±5 SHORE A°
• Color: White

Maximum Temperature: 180 °C (356 °F). NOTE: Our bungs can be recycled as they have the plastic recycling symbol #7 . This type of plastic is fully recyclable and environmentally friendly.

Dimensions:

• Top Diameter: 43.1 mm (1.69 in)
• Bottom Diameter at the lip: 53.25 mm (2.09 in)
• Bottom Diameter below the lip: 50.3 mm (1.98 in)
• Length: 36.85 mm (1.45 in)
• One Hole Diameter: 8.5 mm (0.33 in)
• Wall Thickness: 4.15 mm (0.16 in)