Originally Posted by kerry edwards

That price is much more frugal friendly. I've read a lot of those posts, but I still haven't seen a source for just the diaphragm. Just on principle, I'd prefer to repair only the damaged part instead of replacing additional functional items.
Since a person can buy diaphragms for the vacuum pods, I don't see why a diaphragm for the monovalve should be anymore of a problem.