Red, you can get those lights from 88Marine and even East Aqua has it sometimes. Nasfish, there is a question I wish to ask you. Assuming you are using a pair of these PL-L casings (8 x 36W PL-L) on a standard 4ft tank, where do you get the space to put in the fans? Mind sharing some pics of how you did it? I'm already having problems with one 4ft (PL-L) casing and another 4ft (FL) casing.