Based on this product's specifications, here are some alternatives and similar models
PE pipe fitting Arangül T-connector 20 mm model 9061909
Summary description:
T-connector for polyethylene (PE) piping by Arangül, model 9061909, designed for 20 mm pipes. Provides a three-way junction to branch or join PE lines in water supply, irrigation, or low-pressure fluid systems. Suitable for straightforward installation in underground or above-ground setups, offering reliable connection and system flexibility.