Just put the floor drain in the bathroom drain, bathtub drain, kitchen sink, shower room or laundry room. The most economical choice, floor drain has three functions: filtering dirt, blocking odor and insect prevention. It can not only prevent sewer blockage, but also effectively prevent sewer flies! Fast drainage, while blocking odor, insects and dirt, even if a amount of water is released, it will not be blocked. Collect fallen hair and small particles of dirt, and act as a cover to prevent odor and insects from entering. With a multi-layer structure, even the smallest insects can stay from your sink, ensuring that all forms of insects are rejected. Airtight sealing function, prevent the leakage of peculiar smell and harmful smell, and environmental safety. Just remove the cover and insert the floor drain core into the sink. Install in a few seconds! Made of elastic silicone. Never rusting, elastic and wear-resistant. Product Name: floor drain core Applicable: 33-45mm caliber Drainage type: gravity direct drainage Features: anti blocking, anti odor, anti backwater Colour:B:silver + red Material:Copper+PC Size:47mm Package Contents: 1 x Floor Drain Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.