Looking but not finding. any more specific?
There are many 2.5mm pitch connectors on that website. They want you to select an application (wire-to-board, card-edge, board-to-board, etc.) and then you can view all the 2.5mm pitch products. Invest a bit more time looking around. And there are other websites that help in connector identification. Particularly if you have the pin-pitch measured properly.
adafruit.com has then already made up into cables, 2,3,4,5 and 6 pins