Based on this product's specifications, here are some alternatives and similar models
Fibre optic connector QOLTEC 54499 — QOLTEC model 54499
Summary description:
Fibre optic connector QOLTEC 54499 by QOLTEC. This fibre optic connector is designed for joining or terminating optical fibres in telecommunication and data transmission systems. It provides a compact mechanical solution for creating stable optical links, suitable for patching, splicing enclosures, or connecting fibre equipment in home and commercial networks.