Thick Silicone O-ring - 11/16" ID x 1" 3/16" OD

This USA FDA Approved o-ring is made out of food grade silicone. Works great with 1/2" NPT fittings. Listed by the National Sanitation Foundation. (NSF 51).

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Specifications:

• Made out of Food Grade Silicone
• Replacement o-ring for all soda keg tank lids