Based on this product's specifications, here are some alternatives and similar models
Uponor S-Press reducing tee 25-16-20 DWZ, press-fit PEX plumbing fitting
Summary description:
Uponor S-Press reducing tee 25-16-20 (DWZ) is a press-fit plumbing fitting for PEX pipe systems with branch sizes 25 mm, 16 mm and 20 mm. Designed for creating a reduced branch connection in potable water and heating installations, it provides a reliable press joint without soldering. Suitable for residential and commercial distribution manifolds and risers.