Based on this product's specifications, here are some alternatives and similar models
Copper 45° bend connector Conex series 5000 double-socket 18 mm
Summary description:
Copper 45° bend connector from Conex series 5000 with double-socket design and 18 mm diameter. Designed for joining copper pipes at a 45-degree angle in plumbing and heating installations. Provides a soldered or press-fit joint depending on installation method, suitable for potable water, heating circuits, and general pipe routing in residential and commercial systems.