Long sorry short, bought this for my cousin's tank. His skimmer section was smaller than he thought and it won't fit. I was going to use it on my tank, but my skimmer is kicking a$$ on my system right now so I don't want to take it off line. This skimmer is BIG! 14.75"x10.5"x21.3/4"T. It's an older model and has a dc10000 waveline pump mounted inside the skimmer body. . It's super quiet and works well. The person I bought it from said it had very little use, and judging on the appearance of the skimmer, that's true. Looking for $400 OBO. I know a lot of you dont have big tanks anymore, but the rlss website said it's good from 100-400 gal. Drop a dm with your # and I'll text pics. Photobucket is stupid now, so I can't post pics at the moment. Thanks.