POLY-Z-BRITE® STARTER UNITS ARE DESIGNED WITH A CLEAR EPOXY FINISH THAT HANDLES TEMPERATURE AND MOISTURE EXTREMES WELL. NEX GUARD ® AN ANTI-MICROBIAL AGENT PROTECTS THE EPOXY COATING FROM BACTERIA MOLD AND MILDEW THAT CAUSES ODORS AND PRODUCT DEGRADATION. STARTER UNIT INCLUDES 4 POSTS WITH LEVELING FEET 3 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 3 SHELVES AND SNAP ON SLEEVES SHELVES EASILY ADJUST WITHOUT TOOLS AT 1"" INCREMENTS NEX GUARD ® ANTI-MICROBIAL AGENT NSF APPROVED FOR WET OR DRY USE LIMITED FIFTEEN YEAR WARRANTY AGAINST RUST AND CORROSION