Do a search on Aquart, and don't buy from them...They ripped someone off here something fierce....Aquart doesn't even manufacture their tanks any more they have someone make them (subcontract), your best bet would be go to the source. One which is a very good company is Ostrom Mfg....
http://www.ostrommfg.com/ There are others, here is a line to where I just bought a 200 g
http://www.thepetstop.com/fish_shop/Aquariums/index.html ask for Mark, say you were recommended by Scott in Ohio who just bought a 200g....