CH005 has 4 fiber cable in-out round ports for the cable diameter Ф7-Ф18mm entry. It is widely applied to the splicing and distributing variable optical cables. It is made of high-quality ABS plastic and with the mechanical seal structure filled with the seal material. The external component and fastening piece are all made of the high-quality steel. It can be opened after sealing and can be reused without changing sealing material, with silicone rubber insulation tape.