The HUBBELL SA3813 rectangular blank floor box cover is a robust solution for covering floor openings in concrete floors. Fabricated from aluminum, this cover offers excellent durability and corrosion resistance, making it suitable for demanding industrial environments. Its flush-mount design provides a clean, unobtrusive appearance, while the blank opening allows for future customization or integration with other floor box components. Ideal for commercial buildings, retail spaces, and industrial facilities where a secure and aesthetically pleasing floor covering is required.