Fiber optic closure is a passive component which can provide a great protection for fiber splicing point. Aerially assembling, pipeline assembling and buried underground are all available. The DOME type closure is also called Vertical closure. The input and output ports are at the bottom of the closure. DOME closure is more suitable for the application on accessing layer. GreenTel provides various shapes closure of DOME type. All the closures we offered are with a great sealing performance. High quality ABS material also ensures the durability whether the closure is in air, in pipeline or buried underground.