Vodaland’s 4” Base plastic trench drain has a 4” internal width (6” external), and a 3.28ft (1 meter) length. This trench drain has a 4” internal depth (5-3/8” external). This trench drain comes with a B-class plastic grate. The B load class is designed to withstand residential vehicle traffic. 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, 2 fasteners, and 2 screws are included in each unit purchased. 2 end caps are included for free with the entire order. Common applications: driveways, garages, parking lots, small-scale auto shops and car washes.