O ring measure
In measuring for a new Oring, do you measure from the inside, outside or middle? I'm looking at my water filter and need a new ring. The ring is about 4" but 1/8" thick. So that would be about .25 ...
Forum Discussion
1. The size of a used o-ring will be different than a new one.
2. I just take the assembly to the store and test fit.
2. I just take the assembly to the store and test fit.
