Cornelius Keg Buna-N Lid O-Ring (3 1/2" ID X 4" OD)

Universal Closure O-Ring, fits all soda keg tank lids. Keep your kegs properly sealed for best quality, fresh tasting beer.

Ensure a proper seal on your keg by checking and replacing the lid O-ring when it becomes worn or dried out.

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Specifications:

• Made out of Buna-N Nitrile
• Replacement o-ring for all soda keg tank lids