The image shows an Recovery Appliance full rack with four floor tiles in the front of the rack. The tiles are in two rows. In the row closest to the rack, there are 3 tiles perpendicular to the rack. In the second row, a fourth tile next to the center tile in the first row so that there are 2 tiles directly in front of the rack. Air flow is shown moving cold air up through the floor tiles and into the rack through the front, and hot air exiting the rack through the back.