Lights Of America! hahahahahahahahha
I remember those. I used to use them for refugium lights.

Get them from home depot and SAVE your receipt. you may end up going through a few of them depending on how you mount them.
They are not very safe over salt tanks, their circuit boards are unprotected and may eventually get enough salt buildup to short out (which can lead to sparks/electrical fires). just a word of warning.