Boni Back Panel Joiner Back Panel Joiner by BoniBack 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 12 (14) Back Panel Joiner (121-11-0015) $8.70 22 (24) Back Panel Joiner (121-11-0024) $12.38 28 (30) Back Panel Joiner (121-11-0030) $13.86 34 (36) Back Panel Joiner (121-11-0036) $14.47 46 (48) Back Panel Joiner (121-11-0048) $14.76 Your Cart Related Products Boni Bottle Bay REPLACEMENT Hardboard Back