Ok, that was crazy. I searched for just about an hour for those regulators, never unwrapped them, looked over em in the bed 47 times.
Anyway, I opened them and see that there is a spring missing on one of the regulators, you see in pics.
The glass looks like no scratches.
They are all yours for $50, that should take care of the shipping. They would just sit in my garage till they rotted.