Anyone know the port hole size on the Gemtech most?

I am trying to get mine ported but need to know what size hole.

gsyoung54 wrote:I sent pictures to the number you gave me.

https://imgur.com/a/m3bjtwr

Just received my Gemtech Mist which came un-ported. Any thoughts on sending it back to Gemtech to have it ported? Any Gemtech Mist owners have any comments about the ported model? Especially if I use anti-seize on the threads along with regular cleaning? Calculating at around a 5 cent difference be...