Based on this product's specifications, here are some alternatives and similar models
PP-R pipe tee Supratherm 25x1/2M – polypropylene plumbing fitting 25 mm to 1/2" male thread
Summary description:
PP-R pipe tee Supratherm 25x1/2M is a polypropylene plumbing fitting designed to branch a 25 mm PP-R pipeline into a 1/2" male threaded outlet. Suitable for hot and cold water distribution and heating systems where a threaded connection is required. Provides corrosion-resistant, lightweight jointing and simplifies installation when connecting valves, taps or meters.