Features: Double odor proof design with 304 steel and silicone layer effectively block sewer gases while maintaining bathroom freshness, ideal for odor sensitive space like laundry room and wet bathrooms. Premium 304 steel construction ensures resistant durability and corrosion resistance, specifically engineered for humid environment like showers and kitchens. Perfect for homeowners upgrading bathroom fixtures or renovators search easy installation with universal 10cm sizing suitable for standard washing machine drainages systems. Installs seamlessly in moisture prone areas including family bathrooms, basement utility room , and apartment complexes requiring reliable long terms drainages solution . Features a detachable silicone cores for easy debris removal, ensuring uninterrupted water flows and simple maintenance for hygiene awake households. Specifications: Component : 304 steel Process: Silicone sealing, odorproof design Height: about 11cm/4.33inch Diameter: about 10cm/3.93inch Package Includes: 1xFloor Drain note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.