High-quality materials: The drain plug is made of high-quality stainless steel, and the flexible drain is made of high-temperature and corrosion-resistant plastic to resist corrosion and rust. It also comes with 30m of waterproof tape to make your installation a breeze. Odor and insect proof design： The siphon sink kit features an odor and insect proof device that prevents unpleasant odors and pests from entering your bathroom. When no water is drained, the odor-proof core is collapsed to prevent the generation of odors. Two Drain Connectors: A 300-850mm long flexible drain hose can be installed on the bottom or side to allow drainage in sinks with partitions/drawers/wall drains/floor drains. Filter Drain Plug: This siphon sink kit comes with a filter-proof drain plug that catches hair and small debris to prevent to avoid clogging the drain hose. Easy to install： Bathtubs without overflow and bathtubs with overflow can be suitable. No tools are required to install this sink drain