The 4 In. Partition for left & Right sides works within a package of three component panels, the left 4 In. electrical panel SCC4SPEL, the right 4 In. spacer panel item no. SCC4SPER, and your choice of three back panels SCC15SPE, SCC21SPE & SCC25SPE (See below). Included is our built-in electrical box cover which protects well against outside weather • Lifetime Structure Warranty • 304 Stainless Steel Structure • Removable Counter Rail • Easy Pin-Lock Installation • Optional Wheel Casters • Covered Side Wall Access Ports • Replaceable Face Panel • (4) Adjustable Peg-Leg • Front Kick Plates • Back Solid Kick Plate Separately purchase the Side Cabinet End Panel & End Kick-Plate Item No. SCC25KP, & SCC27EP