Horizontal Fiber Optical Splice Closure provide with 4 fiber cable in-out round ports and the cable diameter is from 10 to 17. It can be used in aerial, duct, and direct buried application. This product is made from the high-quality and with the mechanical sealing structure filled with the sealing material. The external component and fastening piece are all made from the high-quality stainless steel. It can be opened after sealing