I've bought two Pacific TF2 sensors on amazon.de
https://www.amazon.de/-/de/gp/product/B08BVBQCDZ
S/N CL-W275-CU00SW-AXG000358
S/N CL-W275-CU00SW-AXG000359
Both have a leak from the display. The reason is the lack of sealing, there is simply no gasket!
I could fix it myself but need the size of the internal orings. It looks around ~28mm internal diameter and and ~2mm profile.