Fermod, RSUP-6X12-AM, Fermod customized layout for Amerikooler 6' x 12' walk-in cooler, Shelving Unit Plastic with Metal Post, (1) 22" deep x 31" length x 66" high starter shelving unit, (1) 22" deep x 31" length x 66" high extension shelving unit, (2) 14" deep x 52" length x 66" high shelving corner extension units, (2) 14" deep x 59" length x 66" high extension kits, tool-free assembly, includes (4) sets of (2) horizontal shelf rails, removable vented polymer inserts, pre-installed adjustable composite feet, posts pre-drilled with 11 standard positions, 800 lb. capacity per shelf, 2,000 lb. capacity between two uprights, 20 micron deep anodized aluminum, NSF certified, lifetime warranty against rust and corrosion