ENPAC® BLACK DIAMOND SPILL CONTAINMENT SHED 4062-BD - 2-DRUM STORE AND LOCK YOUR LIQUIDS INSIDE OR OUT WITH BLACK DIAMOND CONTAINMENT SHEDS. ROLL-TOP DESIGN & DUAL-SIDED, LOCKABLE DOORS MAKE THESE WEATHER-PROOF UNITS AN UNBEATABLE VALUE. WON'T RUST OR CORRODE CAN WITHSTAND HIGH-WIND AND EXTREME WEATHER ROLL-TOP DOORS FOR EASY ACCESS FROM EITHER SIDE REMOVABLE GRATES FOR EASY CLEANING & SUMP ACCESS.