The Harloff 4" Exchange Tray with Solid Sides (SKU: 81131S) is a durable, heavy-duty modular storage unit designed for clinical supply organization, pharmacy stock management, and medical cart exchange systems. Molded from high-impact, easy-to-clean polymer, this 4-inch deep tray features solid side walls that securely retain small items, ampoules, diagnostic packaging, and delicate consumables during transport. Measuring 23 5/8" in length and 15 3/4" in width, it fits seamlessly into standard medical supply carts, exchange cabinets, and modular rail storage systems. Engineered to streamline supply exchange and support infection control protocols, this tray optimizes drawer space across operating rooms, emergency suites, and central sterile units.