1. Suitable for washing machine/kitchen sink/basin/mop pool drainage 2. Function: anti-odor/anti-water return/anti-insect 3. Plug and play, easily transform sewerage and drainage 4. Large flow two-way drainage, does not affect normal floor drain drainage 5. The model with floor drain cover is suitable for 78mm floor drain cover outer diameter and 32mm inner hole diameter. 6. Model C4 is suitable for PVC pipes with outer diameters of 40/50mm and floor drains with inner diameters of 32-47mm. 7. Material: ABS+silica gel 8. Surface technology: chrome plating 9. Note: The washing machine joint ground drain drain can only be installed on the washing machine floor drain with a hole in the middle.