The spg --don't worry about it, it is the bottomend and the middle that is most important, I have several of both types--they read very close over the entire range---not enough to matter
The mouthpiece, you do know they make one of those for the large opening high performance regulators--don't you?
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The mouthpiece, you do know they make one of those for the large opening high performance regulators--don't you?
N
