Based on this product's specifications, here are some alternatives and similar models
Elbow PEX-AL-PEX No name D1/2×16 mm with internal thread
Summary description:
PEX-AL-PEX elbow by No name, model D1/2×16.KOLD, designed for connecting PEX-AL-PEX piping systems. It has a D1/2 (internal) thread and 16 mm pipe diameter compatibility. Suitable for hot and cold water distribution in residential and commercial installations, this fitting ensures a compact 90° directional change and reliable threaded connection.