Premium Breathable Silicone Bung For Barrels And Variable Volume

Homebrewers Outpost 42032-MB Premium Breathable Silicone Bung for Barrels and Variable Volume Tanks (Pack of 2)

• More durable and tighter fitting than rubber or wood bungs
• Can be used as an airtight seal or a one way valve to allow Co2 to escape
• Designed to fit most barrels between 30 and 60 gallons
• Package Weight : 1 pounds