Fiber Inline Closure, 144 Single Fusion Splice Capacity, Splice Tray IncludedIncludes one (1) splice tray. Additional FB25 4002STP24S splice trays sold separately. Description Fiber Inline Closure, 144 Splice Capacity Compatible with either Splice Tray FB25 4002STP24S or FB25 3998STP24 The FB23 4385 144IE is a high capacity splice closure designed for major splice points in the network. The closure supports both Inline and Butt configurations and is expandable utilizing an optional cable expansion kit. The closure utilizes