Based on this product's specifications, here are some alternatives and similar models
Copper pipe elbow VIEGA 95243, diameter 15 mm, pack of 10
Summary description:
VIEGA 95243 is a copper plumbing elbow with a nominal diameter of 15 mm supplied in a pack of 10 pieces. Manufactured from copper for corrosion resistance and thermal conductivity, it is intended for joining and redirecting 15 mm water or heating lines in plumbing and HVAC installations. Suitable for soldered or press-fit systems where copper fittings are required.