Camshelving® Premium Starter Unit, 21"W x 60"L x 84"H, 4-tier, withstands temperature -36°F (-38°C) to 190°F (88°C), includes: (4) vented polypropylene shelf plates with Camguard® antimicrobial protection, (2) unassembled post kits (posts constructed of steel with polypropylene exterior), (8) traverses & molded-in dovetails, 800 lbs. capacity per shelf /2,000 lbs. max capacity, speckled gray, NSF, Made in USA