General description Kitchen Sink Waterproof Drainer is designed to effectively manage water drainage while preventing unpleasant odors. Made from refined copper, it ensures durability and a long service life. The innovative permanent magnetic levitation technology allows for effortless opening and closing of the drain. Technical specifications Material: Refined copper Caliber: 38-45mm Installation Simple installation process No need to disassemble; just plug and play Usage Effectively blocks air and prevents odors with a silicone sealing ring Fills small gaps due to strong toughness of the sealing ring