This new Deep Stacking Tray Sorter is ideal for the Literature/Mail Center. Each tray is designated to one recipient or department, Literature/Mail and parcels are sorted into the trays, then complete trays are removed and taken to individual workstations or to other locations for final sorting. Each unit can accommodate 18 shallow trays or 9 deep trays. Stack frames for larger sorting needs. Trays are purchased separately and are available in blue, yellow, red, and clear.