Largest Glass Tank?

[heartbreak7]

What is the largest commercial production glass tank that can be purchased? By commercial production I mean companies like All-Glass, Perfecto, Oceanic, etc.

Thanks

[kwl1763]

Mass produced usually 180 or 220 they do make bigger ones though. Oceanic makes a 400 etc.

[X-FACTOR]

260 gallon is the largest tank made with out "special order"

[Zoos]

perfedto makes a 265