3-piece set of silicone floor drain anti-odor core toilet sewer washing machine sewer pipe insect repellent block odor anti-reverse odor cover inner core Curved pleats form a multi-barrier layer to prevent odor and mosquitoes Anti-return water, enter the room, family health protection With the use of sealing accessories, hyperboloid design, undrained automatic Closed, better anti-odor and insect-proof effect Floor drain renovation does not require bricks, not enough cement, and no master Leave no trace, easy installation Three-layer inverted wedge While fixing the drain core Seal the gap between the floor drain and the floor drain core to prevent odor and no leakage Tip: Due to lighting and other reasons, the picture may not reflect the real color. Due to manual measurement, there may be an error of 1-2cm, thank you for your understanding. Delivery Quantity: 2pcs 3pcs set