Why don't you chalk this one up to a learning experience?
Why didn't you have fuel filters with you in case you get a bad load of fuel some place??? I always have two spare sets of filters for the main engine and the generator.
One reason for carrying spare filters is you never know what filters a shop (Speedco or anyone else) is going to put on your engine. I started this after finding that their cross referenced filters don't always have the same micron rating as the OEM filters.
And, it seems most shops I've been at, even if they have the right micron rating, don't have the filter that uses the clear bowl to see if you have water or contamination. Take your own filters. And I carry a spare clear bowl in case they crack it taking it off of the filter during the change. Yes, it might be their responsibility since they broke it, but if there isn't one available within a hundred miles, then you're going to sit their and wait for one.
Carry and take your own filters whether you go to Speedco or someplace else.
Interesting on the air pressure check, I've never been charged for it. I might still be there refusing to pay the "up" charges.
Bill