- Backflow Prevention: This toilet flange wax ring is equipped with a reliable backflow prevention valve, effectively stopping sewage from flowing back into your bathroom. Say goodbye to unpleasant odors and leaks. - Leak-Proof Seal: Constructed from high-adhesive butter material, this flange ring creates a robust seal that keeps your bathroom clean and dry, preventing leaks and spills. - Easy to Install: Designed for compatibility with 110mm inner diameter pipes, the installation process is straightforward. Simply follow the included instructions for a secure, leak-proof connection. - Durable Material: Made from sturdy butter high glue material, this flange ring is resistant to wear and designed for long-lasting performance, ensuring reliability for years to come. Use Scenarios: 1. Ideal for new toilet installations, providing peace of mind with its strong sealing capabilities. 2. Perfect for bathroom renovations, ensuring that plumbing connections remain leak-free and hygienic. 3. Suitable for repairs on existing toilets to eliminate leaks and odors, maintaining a clean and pleasant bathroom environment.