1. Universal interface, suitable for most floor drains, a close fit 2. Physical isolation and deodorization, gravity sealing 3. Full copper material, corrosion-resistant, high temperature resistant, not easy to deformation, durable 4. Thickened silicone, sealed anti-odor 5. Lift design, plug and play 6. In-line about 90 degrees open and close, fast drainage, automatically open 7. Material: copper, silicone