This Magnefine filter was installed on the cooler return line of my 2001.5 Pathfinder's RE4R01A-HD transmission for approximately 13k miles. In my opinion, I could have ran it for longer. I will run its replacement for 30k miles. Click to enlarge the photos.

Initial unscrew:





Filtering media:













Magnet, dirty:











Magnet, clean:
I removed the magnet, cleaned it, and will drop it in the transmission pan next time I do a pan drop.



Stuff wiped off of magnet:



Inside of the filter body:



Looking into the filter cartidge:





Corresponding thread on Bob Is The Oil Guy