Fernco Storm Drain Trench & Driveway Channel (FSD-CHGG),Fernco Inc.,FSD-CHGG" /> 39-1/2" long x 4-1/2" wide. Black storm drain channel with grey grate Use with SKU # 4300406 (end outlet) and 4300414 (end cap) Pieces interlock; no solvents required Rated for 5 tons or 10,000 lbs.