Actually would not, the bulb is just a little bit longer making it not able to fit. Somebody actually on nano-reef.com used this and added it to there nano cube hood, had to go sideways to fit. I'm trying to find the 2x24 so it would fit perfect without much change, but the hard part is finding the 2x24 period, plus with ballast external.

I emailed JBJ lighting seeing if they had anything like that or could make something. I dont' see why they didn't do that is the first place and put into those nano cubes.