Ford Focus Mk2 Fog Light

[onebrian]

does anyone know what the black box contains behind the n/s front fog light on my ford focus mk2 thanks for any help

[Buenchico]

I googled for ages when you first posted this question but got nowhere.

I've had another go now though and, if it's the same part referred to here
https://www.reddit.com/r/FordFocus/comments/8ad8xe/whats_behind_the_fog_light_on_the_drivers_side_of/
the suggestion is that it's part of the air filter assembly.