what are these called? i would like to get some kind of fixture for a light, but without a hood... as you can see here (top tank)
http://www.kingsnake.com/uromastyx/MarkW/stack4.jpg
though mine will just be hanging from a wood ceiling, i would like a non-hooded structure to hold my light. any recommendations on if i should use a hooded structure or not? (ps, this is for a uromastyx, and there will be two arcadia compact reptile d3 lamps in there as well

