Features: Eliminate unpleasant odors and prevent insect with our innovative Kitchen Washing Machine Pipe Connector, a must get accessory for maintaining a freshes and clean kitchen environment. This sewer pipe sealing cover features automatic opening and closing mechanism that activates during Drainages, ensuring a simple and efficient operate suitable for 30mm diameter Pipe. Suitable for homeowners and renters alike who prioritize hygiene and seek practical solution to combat kitchen sink odors and unwanted in their living Space. Multifunction in application, this not odor floor drain Plugs is perfect for use in kitchens, bathrooms, and utility areas, seamlessly into sinks, washbasins, and balconies outlets. With its easy to install designs and adjustment size, this ABS plastic and floor drain Plugs simplifies maintenance while enhancing the overall cleanliness of your house's Drainages . Specifications: Component: ABS Quantiy: 1/2pcs(optional) Top diameter: about 30-45mm/1.18-1.77inch Bottom diameter: about 50-75mm/1.96-2.95inch Note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Package includes: 1xSewer Sealing Cover