Wall sorter FLAT, for A4 format, filling height 9 mm, red storage compartment. Simple plug-in system with a base module and colored storage compartments that can be mounted in a staggered manner on the wall and expanded as needed. Ideal for sorting individual A4 papers, receipts, brochures, work instructions, routing slips, forms, etc. Prioritization and visual division through the combination of different colors, e.g., also suitable for a KANBAN traffic light system. The wall sorters offer maximum flexibility due to the variable number of storage compartments. With additional labeling clips, the compartments can be easily marked according to the stored documents, see accessories. The modular wall sorting system FLAT efficiently supports the structuring of workflows and offers maximum flexibility. After wall mounting the base module, a well-thought-out plug-in system allows for the individual configuration of the storage compartments with a filling height of 9 mm, available in five colors. With the labeling clips in two different sizes, which can be easily attached to the individual storage compartments using a simple plug-in system, stored documents can be labeled and organized as needed.