1 month old. HO T5 Bought this for a 20g, also works on a 29, 1/2 of 6' etc. 2 x 24 watt 1 actinic and 1 10000k. I have box, legs, etc. Works great I had soft and LPS under on the 20 and it worked great for them. $50 + $5 to cover part of shipping if nec. Located south central MN