The definitive style of the mesh drain grate elevates any drainage installation. The decorative grate blocks harmful leaves and debris from entering and potentially clogging the drainage system. Made of galvanized steel, the grate boasts an open surface area of 357.27 sq. in. per meter and has a flow rate of 1,094.5 GPM/meter. Rated NDS Class C when properly installed and is ADA compliant. One 1-meter (39.37 in.) grate covers one BG-FILCOTEN 300 12 in. trench drain; also available in a 1/2 meter (19.69 in.) size.