These convenient contractor panel packs provide a cost-effective and space-efficient means for installers to stock the panels they most frequently use. Our most popular blank and vented rack panels are available in 1 through 4 space sizes pre-packaged in quantities of 6 and 12 depending on panel size. Designed for convenient access these contractor panel pack boxes feature a tear-off panel that allows easy access to individual poly-bagged panels and are designed to stack on warehouse shelving.