Yes, it has an arrow. Fluid flows from the cvt to the oil cooler through the filter. Once you look at it it resembles the oem one in its orientation. You can also use the original mount, but you got to open it up and unlatch the other end as its an open hinge.
Make sure to screw it together tight. The filter will unscrew to examine it when you change it. Ironically they recommend doing that yearly outside of your normally tranny or power steering service cycle. Yes, it works on the return line for power steering too.