DC-900300-1.9, Duracast 300 Gallon Heavy Duty Vertical Tank | 900300 Able to withstand both physical and chemical attacks, these above ground storage tanks are your No. 1 solution for chemical storage. These tanks were designed to stand strong even in the toughest environments, so you can benefit from their quality performance for years. Rotationally molded using state-of-the-art technology, the cylindrical tanks turn out as a single piece and do not contain any joints or welds. This seamless structure leaves no room for leaks and will keep your contents safe inside the tank. Easy-to-clean, you can use the same tank to hold a variety of contents at different periods of time. The 16-inch vented manway provides easy access for cleaning, as well as filling and draining. Choose from white, green or black options.