Based on this product's specifications, here are some alternatives and similar models
Fiber Optic Adapter LC/UPC Duplex Single Mode (OEM, model ADLC9D)
Summary description:
OEM LC/UPC Duplex single mode fiber optic adapter (model ADLC9D) provides a duplex connection for LC/UPC single-mode connectors. Designed to align and couple two LC/UPC fiber connectors for reliable signal transmission in telecom and data network applications. Suitable for patch panels, fiber modules and equipment requiring LC duplex terminations, offering compact size and straightforward installation.