How to reduce the diameter of horizontal pipe of toilet drainage pipe

1. First determine the position of the reducer, measure the length and position of the reducer on the pipe with a ruler, and then cut the pipe with a cutter.

2. Secondly, install the reducer, insert the reducer into the pipeline and tighten it. Be careful not to tighten it too tightly to avoid damaging the pipeline.

3. Finally, install the pipe clamp and add the pipe clamp to the reducer to prevent water leakage.