The Quantum Food Service FSB-21155R is a premium bus box designed for commercial kitchens and restaurants that demand durability, stability, and efficiency. Constructed from high-quality polypropylene, this 21" x 15" x 5" brown bus tub features a ribbed bottom that enhances drainage and prevents sloshing, ensuring smooth operations even in high-volume environments. Its single-compartment design is perfect for organizing bussing supplies like plates, utensils, and linens, while its rust-resistant construction protects against chemical damage, making it a long-lasting investment for professional kitchens. Whether you're running a fast-casual restaurant, catering service, or large hotel, this Quantum bus box is built to handle the rigors of daily food service while maintaining a clean, professional appearance.