Lid O-Ring

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Replacement corny style keg lid seal. Made of nitrile rubber like the original seals. THIS ITEM IS JUST THE LARGE O RING (no smaller O rings supplied). If you're looking for low O2 permeability - these nitrile O rings work great and according to Kegland have a "good oxygen barrier performance" (see exchange from their low O2 youtube video). Quote from LOw2 kegland video: When you say "standard" the issue with the black ones is there are many different types. The nitrile black ones have good oxygen barrier performance but the issue is they have bad "spring" properties. The low2 o-rings have good spring and good barrier properties. Show more