Drainage structure: impeller water flow design allows quick water inlet. Mesh filter prevents hair and debris from entering the drain. U-shaped sealing tube provides double protection, helping to prevent insects, odors, and blockages. TPR soft rubber stopper helps prevent odor overflow and ensures leak-proof performance. Easy to use and install: simply open the floor drain cover and insert the drain core. Easy to install and remove. Wide compatibility: opening diameter ranges from 37mm to 75mm, suitable for most standard drains. It is recommended to measure the hole size and depth of your floor drain before purchase. U-shaped water seal structure: allows water to enter easily while preventing backflow, enabling 360-degree drainage, fast water flow, and no standing water on the floor. Includes 4 rods: four stoppers combined with the top strainer provide double protection to prevent hair from reaching the siphon. Features: U-shaped water seal structure: allows easy water entry, prevents water backflow, supports 360-degree drainage, quick drainage, and keeps the floor dry. Wide compatibility: opening diameter 37mm–75mm, suitable for various floor drains. Measuring the drain hole and depth before purchase is recommended. Drainage structure: impeller water flow design enables fast water intake. Mesh filter helps block hair and foreign matter. U-shaped sealing tube with double protection helps prevent insects, odors, and debris buildup. TPR soft rubber stopper helps prevent odor release and leakage. Easy installation: open the drain cover and place the unit into the drain core. Simple to install and remove. Includes 4 rods: four stoppers and the upper strainer work together to provide dual protection against hair entering the siphon. Materials: plastic, silicone, thermoplastic elastomer. Size: approximately 7.5 x 3.7 x 8.5 cm (Top Diameter: Body Diameter: Height)