Based on this product's specifications, here are some alternatives and similar models
Wavin Indoor Sewer PVC Pipe, Diameter 50 mm, Length 2 m
Summary description:
This Wavin indoor sewer pipe is manufactured from high-quality PVC, designed for reliable wastewater drainage systems within residential and commercial buildings. With a diameter of 50 mm and a length of 2 meters, it provides a durable and leak-proof solution for connecting sanitary fixtures. The pipe is easy to install, resistant to household chemicals, and ensures long-term performance in internal plumbing applications.