Small black O ring fits the groove on the tip of male ball-lock keg fittings(posts). Made from Buna N rubber for long term durability.
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Product Specials
Fixed my leaky keg posts!
I have a bunch of kegs that would always slowly leak on me if the ball lock wasn't squarely seated on the post. I ordered a bunch of these to replace the o-rings on the liquid posts, and just like that the leaking problem is gone!
KEG POST O RINGS
After a year or two you will need o rings on your kegs. Good idea to keep a few handy. Found out I needed these when my co2 went down in a week instead of a couple months.