Motorcraft lists FL-200.
http://www.motorcraft.com And yes, be careful w/swapping filters, in general. These discussed here may be interchangable - many filters are. But we run into this all the time at Advance. The old timers hate the new small filters, so they want to put on a larger one...they say if it fits, it's OK. Not OK! It may screw on, but there are differences! Openings may be different, where the gasket seats may be different, & the thread may be metric or standard - sometimes a metric will screw on a standard thread, but it is not identical!!!
BTW, on the subject of oil filters, here's an interesting study - K&N will be added soon:
http://www.dorianyeager.com/oilfilterstudy1.html