A Horizontal Fiber Optic Splice Closure (HFOSC), often referred to as an inline splice closure, is a robust, hermetically sealed protective unit engineered to safely contain, arrange, and safeguard both fusion and mechanical splices of optical fibers in outdoor and buried. A Horizontal Fiber Optic Splice Closure (HFOSC), often referred to as an inline splice closure, is a robust, hermetically sealed protective unit engineered to safely contain, arrange, and safeguard both fusion and mechanical splices of optical fibers in outdoor and buried. dy and base are sealed with hoops and rubber. The closure casing is made of high-quality engineering plastics, and has good explosion-proof performance against acid and alkali salt, anti-aging, as well as a smooth appearance and reliable mechanical structure. It offers 24 fiber splices and 1X24 fiber trays. This closure also comes with 2X13mm plus 4X16mm In / Out Ports Cables, with 16 Drop Ports. It is not equipped to Accept Cassette Splitter, but it does. Splice boxes and splice distributors are essential for a reliable fiber optic cabling system and serve as a connecting point between the fiber optic installation cable and the in-house network. Splice Closure is suitable for protecting optical fiber splices in straight-through and. We supply horizontal fiber optic splice closures; these products provide space and protection for the fiber optic cable splicing and joint. They are perfect sealed design to be waterproof and.