Vodaland’s 4” Pro plastic trench drain has a 4” internal width (6-1/4” external), and a 3.28ft (1 meter) length. Customers can choose the depth that best suits them between 3”, 5”, and 7”. This trench drain comes with a D-class ductile cast iron grate. The D load class is designed to withstand heavy-duty traffic including tractor trailers, forklifts, machinery, etc. The plastic channels connect easily into one another to form the customer’s desired length of run. Each channel features a 90-degree connection option so that the system can turn at corners. 1 channel, 2 grates, and 8 fastening bolts are included in each unit purchased. 2 end caps are included for free with the entire order. Common applications: warehouses, loading docks, roadways, industrial plants, heavy-duty garages and maintenance shops.