Ideal for homeowners replacing or repairing toilet tank components, maintenance personnel managing public facilities, and renovation companies seeking parts. Built from PVC and 304 steel, this toilet tank accessory offers corrosion and wear resistance for longlasting durability. Quiet flushing performance thanks to an optimized drainage structure that minimizes noise and reduces clogs, helping lower maintenance needs and improve user satisfaction. Designed for use in home bathrooms, public restrooms in malls and schools, and hotel guest rooms, delivering stable performance and helping maintain cleanliness standards. Use scenarios: 1) Home renovation or DIY : worn or faulty toilet tank components to restore reliable operation. 2) Public facility maintenance: upgrade restrooms in malls or schools to reduce noise and clogs and extend service intervals. 3) Commercial renovations: install in hotel guest rooms or other commercial spaces to ensure durable, easytomaintain toilet tank components.