Precise dimensions and broad compatibility - CAD optimized precision manufacturing for 3 inch flow valves - Compatible with all popular models to effectively prevent water waste Quick repair and reliable performance - Fixes cistern leaks within minutes with a precise fit - Optimizes water flow with every flush and continuously minimizes water consumption - No special tools required for installation Durable material and dependable seal - Made of durable PVC with high wear resistance - Preserves long-term flexibility for a reliable seal in toilet cisterns Clear installation and maintenance - Step-by-step installation process that requires no technical expertise - Patented connection system ensures a secure fit with every toilet flush - Ideal for regular maintenance work Use scenarios - Residential bathroom upgrade: replace an aging flapper to stop a slow leak, reduce water usage, and improve flush efficiency without tools or extensive DIY skills - Commercial restroom maintenance: quick, reliable replacement for multiple toilets in offices or public facilities to minimize downtime and water waste - Retrofit or maintenance projects: suitable for various toilet models where a precise, durable fit and easy installation are required to maintain optimal cistern performance