The Turbo Air TS23-N4LR Tray Slide Kit includes two pairs of #4 tray slides and pilasters, designed specifically for the PRO-50 and PRO-77 models. This kit allows for efficient organization and easy access to trays in either the left or right section of your unit. Constructed for durability and reliability, the tray slides ensure smooth operation and optimal space utilization, enhancing the functionality of your refrigeration system. Ideal for commercial kitchens, this accessory streamlines food storage and service.