Yes I bought the H3's and when I went to change them found that the fogs contained the HB4's
I'll be buying a set of HB4's at some point just a shame that there doesn't seem much choice in this fitting and no Nightbreakers or Philips Xtreme
I found these:
http://www.autobulbsdirect.co.uk/hb4-9006-bulbs.html
