Tool-free installation: connects directly to the drain pipe without additional tools for a quick, hassle-free fit. Universal compatibility: suitable for sinks, kitchen basins, bathroom washbasins, washing machine drain hoses, mop sinks and similar drain outlets. Reliable odor and leak control: silicone anti-leak rings and seals effectively block unpleasant smells and prevent liquid leakage. Automatic valve operation: valves open automatically during draining to allow smooth flow and close to maintain a tight seal when idle. Durable, safe materials: made from stainless steel and silicone for a pleasant touch, good elasticity, wear resistance and long service life. Practical applications Kitchen sink: prevents food odors and slow leaks around the drain connection while allowing normal wastewater flow. Washing machine drain: seals the hose connection to stop splashes and smells but opens automatically when the appliance drains. Utility or mop sink: provides a secure, durable seal in high-use cleaning areas to reduce leaks and odors. What you get Fast, tool-free attachment to standard drain pipes Stable, elastic silicone seal combined with corrosion-resistant stainless steel Automatic valve behavior for convenient, maintenance-free operation Suitable when you need a quick-install, durable drain-sealing solution that controls odors and prevents leaks across a range of sink and drain applications.