California style frac tank, 21,000 gal capacity (500 BBL), this tank has a slope on the top of the tank. No leaks, full drain, smooth walls for easy cleaning. With 8” manifold port, liquid level gauge and (4) 20″ steel manways, “V” shape floor for full drain. Standard models can always be customized to fit your needs; adding ports, manways or others. For more information download tank specifications or contact us today for a quote.