100 Gallon with everything you need to run a reef tank or fish only. Tank, Stand, Canopy, 101 Aqua filter, brand new hang on the back skimmer (1 week old), 2 Dual power heads 1600 GPH. I have PC lighting that can be used until you replace with T-5's or something better. Using my T-5's on new tank. $400 OBO.