If your still struggling you could always purchase a filter from RS components, they do various coulours (Red 588-724, Green288-730, Neutral 588-746 and Clear590-913) and are 220x130x1.5mm.
I've included the stock numbers so just go to the following and place the stock number in the search box at the top of the screen http//rswww.com Keith -- Keith _______________________________________________ Discuss mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/discuss
