Boni Back Panel Joiner Back Panel Joiner used to join two bay back panels together.Sizes: 15", 24", 30", 36", 48"One required for every two panels.White finish ProductPriceQuantity 15" Back Panel Joiner (121-11-0015) $8.70 24" Back Panel Joiner (121-11-0024) $12.38 30" Back Panel Joiner (121-11-0030) $13.86 36" Back Panel Joiner (121-11-0036) $14.47 48" Back Panel Joiner (121-11-0048) $14.76 Your Cart Related Products Boni Bottle Bay REPLACEMENT Hardboard Back