I would be surprised (but not totally amazed) if they had fixed it in the hour since your comment was posted but... I now see separate selectors for maximum fl

I would be surprised (but not totally amazed) if they had fixed it in the hour since your comment was posted but... I now see separate selectors for maximum flow, minimum flow, and graduations here: https://www.mcmaster.com/flowmeters/ https://www.mcmaster.com/flowmeters/