High quality solid copper and high strength solid metal ensure long service life; prevent rust, corrosion and rust protection. Three stage filtration: cover layer, filter screen and large diameter inner core filter to retain impurities in the soil and the soil drainage ditch to avoid clogging the sewers and the official website system. It can be used in kitchens, bathrooms, garages, basements, toilets and other places for prevent odors, bedbugs and mice from entering the room. After some time of use, open the floor shower siphon and remove the filter. Rinse the colander with water. It is easy to clean. If the oil stains are difficult to clean, they can be wiped off with soap and water. Package includes: 1 * floor drain Pay attention: Due to manual measurement, please allow slight dimensional tolerances Lighting in photography may cause chromatic aberration compared to real life