Keep your drainage system running smoothly by blocking leaves and debris with the trench drain grate. The slotted grate design has a classic look with rounded slots spanning across the grate. This galvanized steel drain cover has an NDS Class A load rating when properly installed (pedestrian traffic only) and is ADA compliant. Features a surface area of 34.9 sq. in. per meter and flow rate of 107 GPM. One 1-meter (39.37 in.) grate covers one BG-FILCOTEN 100 4 in. trench drain; also available in a 1/2 meter (19.69 in.) size.