ACUDOR FA-300 ALUMINUM FLOOR DOORACUDOR FA 300 ALUMINUM FLOOR DOOR The FA 300 series aluminum floor access doors are designed for interior and exterior applications where a water tight seal is not required. The angle frame construction with integral anchor flange is designed to be cast into concrete. The diamond plate door panel is equipped with a flush aluminum drop handle and an automatic hold open arm with red vinyl grip. Application Designed for interior and exterior applications