The compact 3M™ Fiber Optic Splice Closure 2178-LS features a rugged closure tested under harsh, real-world conditions to stand up to even the most severe conditions of moisture, vibration, and extreme temperatures.The compact size of the 2178-LS closure makes it ideal for aerial strand, pedestal and hand hole splicing. Specifically designed for inline or butt splicing applications, the closure has two 1.0 cable entry ports per end. The multiport grommet feature provides for simple, flexible and future-proof drop or small diameter branch cable additions. The maximum single fusion and mass fusion splice capacity for the 2178-LS closure is 288 and 864, respectively. The fiber optic splice closure 2178-LS is Rural Development (RUS) Listed. If additional space is needed for buffer tube slack storage, please refer to the 2178-LL closure (larger bottom).