BLACK EPOXY ADD-ON SHELVING UNITS ALLOW UNIT EXPANSION TO MAKE THE MOST OF STORAGE SPACE. INCLUDES 2 POSTS WITH LEVELING FEET 3 SHELVES SNAP-ON SLEEVES AND S-HOOKS TO JOIN UNITS. BLACK EPOXY IS AN ATTRACTIVE FINISH THAT CONSISTS OF A BLACK EPOXY POWDER-COAT OVER A RUST INHIBITING UNDERCOAT. NSF APPROVED FOR WET OR DRY USE. FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" REINFORCED SHELVES WITH WELDED SURFACE RIBS FOR ADDED STRENGTH OPEN DESIGN TO MAXIMIZE AIR AND LIGHT CIRCULATION AND MINIMIZE DUST ACCUMULATION INCLUDES 3 SHELVES 2 POSTS SNAP-ON SLEEVES AND S-HOOKS TO JOIN UNITS SHELVES EASILY ADJUST WITHOUT TOOLS AT 1"" INCREMENTS NSF APPROVED FOR WET OR DRY USE LIMITED SEVEN YEAR WARRANTY AGAINST RUST AND CORROSION