JiaHui Optical Adapter ST Flanges / Couplers - Silver + Yellow (2 PCS)
ST flange which is also called coupler adapter connector; Plug: Singlemode ceramic; Optical fibers is connected by adapter through the interior of the opening sleeve; Conversion adapter can be connected to different types of fiber jumper Interface and to provide a connection between the APC end face; Double or even mounting density can be increased