Capture stormwater while keeping leaves and debris out of the drainage system with the trench drain grate. Made to fit the BG-FILCOTEN 200 8 in. trench drain channels. This galvanized steel grate is perforated with 0.25 in. holes, with a surface area of 44.6 sq. in. per meter and 136.6 GPM flow rate. ADA compliant and heel proof. Use two of these half-meter (19.69 in.) grates to cover one BG-FILCOTEN 200 8 in. trench drain.