DC-900090-1.9, Duracast 90 Gallon Heavy Duty Vertical Tank | 900090 These 90-gallon, single-piece vertical tanks are made, following strict standards, to be the perfect storage solution for an array of diverse contents. These tanks are seamless and lightweight, which makes them easier to transport. With superior resistance properties to fight environmental conditions and chemical damage, these tanks will not break down from harmful forces. Duracast’s polyethylene tanks have several features designed for convenience and ease of use. The vented 8-inch lids on top of these tanks allow you to fill, drain and clean these tanks quickly and easily. The gallon calibrations are molded into the tank to easily view and determine content levels at a glance. Tanks come in three colors: green, white or black.