Based on this product's specifications, here are some alternatives and similar models
Copper 45° Elbow Joint Conex series 5000 28 mm
Summary description:
Copper 45° elbow joint from Conex series 5000, designed for 28 mm pipe connections. The fitting provides a 45-degree directional change in copper piping systems and is suitable for plumbing, heating and refrigeration installations where durable copper fittings are required. Intended for solder or brazed joins following applicable installation standards.