The asymmetric slot top drain blends high performance and safety into a sleek design. This low-profile drain can blend into its surroundings and the discreet 0.24 in. slot width is barely detectable. This galvanized steel drain features an open surface area of 18.6 sq. in. per meter and flow rate of 57 GPM. The clean and discreet design is also ADA compliant and heel proof. One 1-meter (39.37 in.) slot top drain grate covers one BG-FILCOTEN 100 4 in. trench drain.