2178-LL Extra-Large Fiber Optic Splice Case has all of the same great features of the 2178-L/S family but also contains materials for initial installation of 4 cables.

The 3M Fiber Optic Closure System LL provides a protective yet accessible environment for housing single or mass fusion fiber splices. This family of closures are designed to accomodate up to 12 stacked or hinged splice trays for easy access. Because of the system's modular design, the closure can be expanded in length or diameter or converted from butt to inline configurations without disturbing existing cables.