eBay seller(
Maximinimus you stick around I'll make it worth your while,
Sat 23 May 2009, 18:18,
archived)
They are even cheaper now£6 for a pack of 5 refills including postage :(
( Maximinimus you stick around I'll make it worth your while,
Sat 23 May 2009, 18:21,
archived)