... reinforce PC material, high strength, corruption resistance. This optical splitter distribution boxis for easy locking, easy installation and opening. ... to avoid removing other splice tray. For 1 :32 PLC Splitter . * Vibration, pressure and pulling protection, endurable bad ... air sealing and waterproof function.* Fire protection, -40°C~+80°C* aging protection, good stability for heat, heating energy ...