If the OP is in the US, McMaster-carr has a great selection of o-rings. You just need to determine the correct size.
https://www.mcmaster.com/products/o-rings/
Thanks @Davide DB - that is my experience as well, and it just seemed odd that it was the only one like that. You may be right about the sub-forum, though, but it does make the main forum slightly more difficult to use. Thanks to you and all the moderators for their hard work on this forum, your efforts are appreciated.
I am using a Dell desktop PC running Windows 11 and a FireFox browser. What is odd is that only this one forum is different from all the others. Odd indeed. Thanks
Nope, the bottom looks like this:
All the other forums look like this at the top:
Whereas "Critter Identification looks like this:
Does that help at all?
I am curious as to why the "Critter Identification" forum doesn't have a "Mark Forum read" button like most of the others. Is there some reason that this forum is different? Thanks for all the work to make this site work!