(6611/R1) Fermostock® Shelving Unit Expansion Kit, 5-tier, 83"H, 31"W x 22"D, 800 lbs. max weight per shelf, includes (1) upright, -40° to 140°F (-40° to 60°C) operating temperature range, adjustable composite feet, tool free assembly, removable polymer inserts (dishwasher safe to 212°F), 20 micron deep anodized aluminum, NSF (Made in France)