This U-100 Series has a Medium Duty Grate design load for light pneumatic tire traffic only. Sidewalks and residential parking. (Medium Vehicules and SUV´s, No Trucks). Low Profile channel drain system for lightweight to medium applications. Dimensions of each channel: 5" W x 3" H x 39" L - (117" Total Length if you choose the 3-PACK Option) Available Colors: Black, Gray and Gray with Galvanized Steel Grate.This Drain Channel System can be connected on multiple bottom positions and side outlets, easy cut out guides. Included Outlet Connector and Adaptor fit 4" sewer and drain pipe. The grates on this system are fully hand-removable for easier cleaning, No screws or bolts.Interlocking connections for a fast and easy installation. Anti-flotation feet stop the channel from moving or floating during the concrete pouring and beds the channel directly on the prepared trench base.Lightweight Polypropylene plastic with structural reinforcements makes these channels tough and durable. Ideal for the multiple applications: Driveways, Gardens, Pools, Sports Courts, Patios, Walkways, Etc. Check installation guidelines.1-PACK and 3-PACK all Include: 1 x Bottom/Adaptor Outlet Connector, 1 x End Outlet Connector and 1 x End Cap. (Additional accesories and Four-Way connectors are available, select the right color from the menu options)