The Wire Shelving Units model VEXS-1836 by Winco. Wire Shelving Set, 18 x 36 x 72, 4 tiers, can be used for all environments including humid areas, epoxy coated, KD, NSF ( Winco - VEXS-1836 ) - Coated in epoxy, the Winco VEXS-1836 wire shelving set...