NEXELON® WIRE SHELVING ADD-ON UNIT – 5 TIER – 24″W X 18″D X 74″H ADD-ON SHELVING UNITS ALLOW UNIT EXPANSION TO MAKE THE MOST OF STORAGE SPACE. INCLUDES 2 POSTS WITH LEVELING FEET, 5 SHELVES, SNAP-ON SLEEVES AND S-HOOKS TO JOIN UNITS. NEXELON® IS THE TOP OF THE LINE BLUE METALLIC FINISH DESIGNED TO HANDLE EXTREME WET, HOT OR COLD ENVIRONMENTS. FEATURES NEX GARD ®, AN ANTI-MICROBIAL AGENT THAT PROTECTS THE EPOXY COATING FROM BACTERIA, MOLD, AND MILDEW THAT CAUSES ODORS AND PRODUCT DEGRADATION. OPEN DESIGN MAXIMIZES AIR AND LIGHT CIRCULATION AND MINIMIZES DUST ACCUMULATION. SHELVES EASILY ADJUST WITHOUT TOOLS AND ALIGN ACCURATELY AT 1″ INCREMENTS. SHELF CLIPS SNAP ON POST, ALLOWING SHELF COLLAR TO SLIDE OVER FOR A SECURE FIT. LIMITED LIFETIME WARRANTY AGAINST RUST AND CORROSION.