There are a number of options.

1. Motorcraft FP49. The dealer option. About $40
2. Purolator C25478. Purolator makes filters for Ford. Price unknown.
3. Wix 24816. Price about $16-20.
4. Bosch R2060-138313. Price about $15.

The install looks complicated but it's really a 10 minute job at most.