Rhino Tuff Tanks HDPE storage and dispensing systems are designed to help keep your shop areas clean and organized. Stop covering valuable floor space with 55-gallon drums — store bulk fluids vertically! With sizes including 45-, 80-, 120-, 180-, 225-, and 310-gallon capacities, you can assemble your own combination, up to 360 gallons in a single stack. All tanks share a common 36-inch wide by 36-inch deep footprint, allowing universal stacking among sizes. Additional features include a convenient 2-inch center fill port, easy-to-read volume indicator and an assortment of stands, secondary containment and dispensing accessories to round out your complete package. Systems are certified to ULC-142.14 standard for storing and dispensing Class IIB liquids (motor oil, hydraulic fluid, ATF, DEF, etc.). Order individual components or complete systems with a single part number. Not just tough — Rhino Tuff!