The Metro MD18-20 Shelf Divider is designed to enhance organization and maximize space on your shelves. Measuring 18 inches deep and 20 inches high, it features durable 4-inch polypropylene panels supported by robust stainless steel rods. This divider is compatible with 18-inch and 21-inch open grid and wire shelves, making it versatile for various storage needs. It includes four polyethylene mounting clips for easy installation. NSF certified, this product ensures safety and quality for commercial use.