The AMI-HD Storage Vault is a single door cabinet, with gasket and seal to maintain a minimal exchange of air flow within the interior of the unit. Made of 14-12ga steel, the vault includes full extension drawers that are 2.25” deep inside, and come in drawer widths of 26” and 34”. Vault cabinet height include 40” counter height and 78” tower cabinet. Both vaults are 30” deep (exterior dimension), and come with leveling foot pads in order to level properly when installing the unit. The HD Storage Vault is powder coated to your choice of color.