The Metro MD18-16 Shelf Divider is designed to enhance organization and maximize storage efficiency. Measuring 18 inches deep and 16 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 shelving systems. Included are four polyethylene mounting clips for easy installation. NSF certified, this shelf divider ensures safety and quality for your storage needs.