This Ultra-Twin IBC Hard Top is perfect for outdoor storage of two IBC tanks. Uses the same sump as the Ultra-Twin IBC Spill Pallet. Features a lockable, dual closure that allows for quick access to IBC tanks or drums. The roll-top covers can be easily lifted for routine visual inspection. The swing-out doors provide safety and convenience for loading and unloading tanks. The Hard top IBC spill containment system safely stores IBC tanks with maximum dimensions of 52" x 52" x 61". Meets Stormwater, SPCC and EPA Containment Regulations.