BLACK EPOXY STARTER UNITS FEATURE AN ATTRACTIVE FINISH THAT CONSISTS OF A BLACK EPOXY POWDER-COAT OVER A RUST INHIBITING UNDERCOAT. NSF APPROVED FOR WET OR DRY USE. STARTER UNIT INCLUDES 4 POSTS WITH LEVELING FEET 2 WIRE SHELVES AND PLASTIC SNAP ON SLEEVES TO SECURE SHELVES TO POSTS. 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 4 POSTS 2 SHELVES AND SNAP ON SLEEVES SHELVES EASILY ADJUST WITHOUT TOOLS AT 1"" INCREMENTS NSF APPROVED FOR WET OR DRY USE LIMITED SEVEN YEAR WARRANTY AGAINST RUST AND CORROSION