Outdoor storage for two IBC tanks. Uses same sump as Ultra-Twin IBC Spill Pallet {Reference a page number if possible}. Unique, lockable, dual closure allows quick access to tanks. Roll-top covers can be easily lifted for routine visual inspection. Swing-outdoors provide safety and convenience for loading/unloading tanks. Safely stores IBC tanks,with maximum dimensions of 52" x 52" x 61". Meets Stormwater, SPCC and EPA Containment Regulations 40 CFR 264.175.