50 Octagon Vented plug tray is made for 40mm Ellepots. Cells with a depth of 1.5″ and a volume of 55 cc are laid out in a 5 x 10 configuration. It is perfect for nursery stock, hydrangeas, hibiscus, fruit trees, roses, squash, and zucchini. This tray also features vents between cells for water drainage.