DC-900350-1.9, Duracast 350 Gallon Heavy Duty Vertical Tank | 900350 When you need heavy duty storage strength, you can’t depend on a flimsy plastic container. What you need to get the job done is Duracast’s heavy duty vertical tanks. Each one of these tanks can hold 350 gallons of liquid, and will keep your contents stored safely for as long as you need. The tanks are manufactured using “rotomolding” technology, which allows them to be made as single-piece tanks. With no seams to cause leaks, you can achieve peace of mind knowing your contents won’t escape the tanks. These vertical storage tanks can be kept indoors or outdoors and will perform well in both environments. The resin is compounded with UV stabilizers, which makes these tanks resistant to UV deterioration. The low temperature impact strength means that the tanks can withstand extreme low temperatures. Some of the more common contents people store in these tanks include industrial and agricultural chemicals, fertilizers, wine and potable water.