Just place the floor drain in the bathroom drain, bathtub drain, kitchen sink, shower drain, or laundry room Economical solution with three functions: filters debris, blocks odors, and helps prevent insects Helps prevent sewer clogs and effectively deters drain flies Provides fast drainage while blocking odors, insects, and dirt; won't clog even with large volumes of water Catches hair and small particles, acting as a cover to prevent odor and insect entry Multi-layer design helps keep even the smallest insects out, blocking various types of insects Airtight seal helps prevent the release of unpleasant and harmful odors Simply remove the cover and insert the floor drain core into the drain Installs in seconds Made of elastic silicone material Rust-resistant, flexible, and wear-resistant Product Name: Floor Drain Core Compatible with 33-45mm drains Drainage Type: Gravity direct drainage Features: Anti-clogging, odor blocking, anti-backflow Color: Silver + Gold + Red Material: Copper + PC Size: 47mm Package Includes: 1 x Floor Drain Core Content limited to the above; other items not included Note: Lighting and display differences may cause slight color variation between image and actual item Measurement tolerance: +/- 1-3cm