Anticlogging basket filter that effectively collects hair and dirt while preserving a cleaner drain, with odor resistant design to reduce smells around the sink. Two mode operation with a bounce design: a spring maintains good elasticity for longterm use, letting you easily switch between storage mode (catch debris) and drainage mode (allow water to pass through). Durable construction: bounce plug cores are made from ABS with copper cores, flat and comfortable, antirust and corrosion resistant for reliable performance. Tool installation and compatibility: suitable for drain holes with an inner diameter of 3440 mm (1.341.57 inches), allowing quick setup without tools. Valves and odor control: equipped with valves to help block odors and manage drainage for a cleaner, more convenient sink experience. Performance and maintenance: designed to stay responsive over time, easy to clean, and effective at filtering debris without compromising drainage. Use scenarios: Bathroom sink: for trapping hair and soap scum, preventing clogs while keeping odors in check. Kitchen sink: handles small food particles and debris, enabling efficient drainage when needed. Utility or laundry sink: catches lint and fibers, reducing buildup in drainage lines and simplifying cleanup.