Optimize storage in your commercial kitchen or restaurant with the **Cambro CBA214272V4580 4-Tier NSF Polymer Shelf Kit**—a versatile add-on unit designed to seamlessly integrate with **Cambro’s Camshelving® Basics Plus** starter unit. This **42" x 21" x 72" polymer shelving kit** expands your storage capacity while maintaining a clean, professional aesthetic with its **brushed graphite gray finish**. Made from **high-performance polypropylene**, this shelf resists scratching, peeling, and corrosion, ensuring long-lasting durability in demanding environments like dishrooms, walk-in freezers, or dry storage pantries. With a **temperature range of -36°F to 190°F**, it’s built to withstand steam, cold, and heat without compromising performance. The **warewasher-safe shelf plates** and **Camguard® antimicrobial protection** make it easy to clean and maintain, reducing downtime in high-traffic kitchens. Whether you need to store pots, pans, or bulk ingredients, this **NSF-certified polymer shelf kit** delivers **600 lbs. of capacity on bottom shelves** and **400 lbs. on top**, supporting a total load of **1,800 lbs.** per unit. Its **vented, louvered design** promotes airflow, preventing condensation and moisture buildup, while the **composite posts and leveling feet** ensure stability on uneven floors. For restaurants, catering businesses, or food service operations looking to **maximize vertical space without sacrificing functionality**, this **Cambro polymer shelving unit** is a smart, cost-effective solution that blends durability, versatility, and professional-grade performance. **Upgrade your storage today and keep your kitchen organized and efficient!**