Just place the floor drain in the bathroom drain, bathtub drain, kitchen sink, shower drain, or laundry room drain. An economical solution, this floor drain offers three functions: filtering debris, blocking odors, and preventing insects. It helps prevent sewer clogs and effectively keeps out drain flies. Features fast drainage while blocking odor, insects, and dirt; even with heavy water flow, it remains unclogged. Collects loose hair and small particles, acting as a cover to prevent odor and insects from entering. Designed with a multi-layer structure that blocks even the smallest insects, ensuring all types of insects are kept out. Provides airtight sealing to prevent the release of unpleasant or harmful odors, promoting a safe and clean environment. Easy to install—simply remove the existing cover and insert the floor drain core into the drain. Installs in seconds. Made of elastic silicone material. Will not rust, remains flexible, and is wear-resistant. Product Name: Floor Drain Core Compatible with: 33-45mm diameter drains Drainage Type: Gravity direct drainage Features: Anti-clogging, odor blocking, anti-backflow Color: Silver + Gold + Red Material: Copper + PC Size: 47mm Package Contents: 1 x Floor Drain Core Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement allowance: +/- 1-3 cm