Agree with all of the above.

I realize the gen 3 pics are not from the OP, but the above info should all be applied to the gen2 from the OP.

A cross section of a gen 3 head shows the port entry angle. The pics (from the angle taken) look like the port entrance angle may be less than ideal.

A0177529-0BE6-4A35-812C-596FE89DD275.jpeg

"use it 'till it breaks, replace as needed"