✓ OPEN DESIGN TO MAXIMIZE AIR AND LIGHT CIRCULATION AND MINIMIZE DUST ACCUMULATION ✓ NSF APPROVED FOR WET OR DRY USE ✓ SHELVES EASILY ADJUST WITHOUT TOOLS AT 1"" INCREMENTS THE NEXEL 5 SHELF POLY-GREEN MOBILE SHELVING UNIT IS A SIMPLE MOBILE AND ADAPTABLE SOLUTION FOR HANDLING STORAGE IN EXTREME DRY WET COOLER OR FREEZER ENVIRONMENTS. POLY-GREEN FEATURES A GREEN POWDER-EPOXY OVER ZINC-CHROMATE ELECTRO-PLATING THAT HANDLES TEMPERATURE AND MOISTURE EXTREMES WELL. THIS SHELF TRUCK INCLUDES 4 POSTS 5 WIRE SHELVES 4 SWIVEL CASTERS W ITH BRAKES AND PLASTIC SNAP-ON SLEEVES TO SECURE SHELVES TO POSTS. NEX GARD AN ANTI-MICROBIAL AGENT PROTECTS THE EPOXY COATING FROM MOLD AND MILDEW THAT CAUSES ODORS AND PRODUCT DEGRADATION. 15-YEAR LIMITED WARRANTY.