Camshelving® Basics Plus Add-On Unit, 21"W x 30"L x 64"H, 4-tier, withstands temperature from -36°F (-38°C) to 190°F (88°C), includes: (3) vented and (1) solid polypropylene shelf plates with Camguard® antimicrobial protection, (2) composite posts with leveling feet installed, pre-assembled post connectors & wedges, (8) traverses & (4) bags of 8 dovetails (4 each A & B), 600 lbs. capacity per shelf (400 lbs. top shelf) /1,800 lbs. max capacity, brushed graphite, NSF
