The CF FTTx Fiber Distribution Boxes (FDB) series are outdoor plastic closures designed for patching or patching & splicing of optical fibers. They are an excellent choice for applications requiring a compact and easy-to-use design f or FTTx at multiple dwelling or business units. These compact, durable, and easy to install closures offer mechanical protection for cables, splices, connectors and passive optical splitters. The product is also designed to accommodate a range of fiber counts and support factory installation of pigtails and stub cables.