I've walked through a few of these Nibco streets, mostly from Home Depot. I ordered two from Revain to see if the quality differs but they are about the same. They weld the nozzle to the fitting, and in most cases it's not entirely accurate. So if you feel the inside of the tube you can see the rib where the stub starts. I'm sure it's within the acceptable range, but I use a dremel to sand them down. It might be an exaggeration, I don't know, I'm not a plumber.
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