VEVOR Trench Drain Grate 39 in. L x 5.8 in. W x 5.2 in. D Drainage Trench with Plastic Grate and End Cap Channel Drain 6 Pack PSLGM10010062P7QMV0 - The Home Depot
TraffikDrain - civil engineering grated drains by ACO Infrastructure
4 x Heavy Duty 7 Tonne Tested Weight Ltd Storm Water Deep Flow Channel Drainage PVC