Based on this product's specifications, here are some alternatives and similar models
Alkotest wall-mounted elbow KWW2012 KOLANKO GW FI20X1/2 for plumbing connections
Summary description:
Wall-mounted elbow Alkotest KWW2012 (KOLANKO GW FI20X1/2) designed for plumbing installations. The fitting provides a 90° connection between a 20 mm pipe and a 1/2" female threaded outlet, suitable for water supply lines and fixtures. Intended for secure wall connections in residential or commercial systems where a compact, fixed elbow is required.