FILCOTEN® by NDS® is a trench drain system that captures and conveys storm water on commercial and residential sites. The FILCOTEN® channel sections are made from an industry leading high-performance fiber-reinforced concrete which is stronger, lighter, and more durable than the competition. The End Cap with Outlet is used to connect a channel section to a 4 in diameter pipe and can be used with any FILCOTEN® 100 Channel Section.