Camshelving Elements Stationary Add-On Unit, 24"W x 42"L x 72"H, 4-tier, withstands temperature from -36F (-38C) to 190F (88C), includes: (4) solid reinforced polypropylene shelf plates with Camguard antimicrobial protection, (2) composite posts with leveling feet installed, pre-assembled post connectors & wedges, (8) stationary traverses & (4) bags of 8 count dovetails (16 each A & B), brushed graphite, 800 lbs. capacity per shelf /3,200 lbs. max capacity, NSF