NEXEL SHELF CARTS OPEN DESIGN OFFERS CONVENIENT 4-WAY ACCESS WHILE MINIMIZING DUST ACCUMULATION AND MAXIMIZING LIGHT AND SPRINKLER PENETRATION. SHELVES CAN BE EASILY ADJUSTED ON 1 INCH INCREMENTS WITH NUMBERED MARKINGS. ROLLS SMOOTHLY ON 5"" POLYURETHANE STEM CASTERS 2 WITH BRAKES. 1200 LB LOAD CAPACITY. POLY-GREEN FEATURES A GREEN POWDER-EPOXY OVER ZINC-CHROMATE ELECTRO-PLATING THAT HANDLES TEMPERATURE AND MOISTURE EXTREMES WELL. NSF APPROVED FOR WET OR DRY USE. LIMITED FIFTEEN WARRANTY AGAINST RUST AND CORROSION.