Features: * Perfect Seal for Toilet: Our toilet flange wax ring provides a reliable and waterproof seal for toilet installation and repair projects. * Thick Wax Ring: Designed with a high-quality thick wax bowl ring that ensures excellent adhesion and creates a tight seal to prevent water leakage and gas escaping. * Anti-Backflow Design: The integrated anti-backflow valve helps prevent water from flowing back and reduces odors caused by backflow, helping maintain a fresh bathroom environment. * Easy Installation: Toilet flanges are designed for simple installation. The user-friendly design allows for easy replacement of the flange and wax ring, saving time and effort. * Reliable and Durable: Made from high-quality materials to ensure long-lasting performance and durability. Provides a secure, leak-free seal for extended use. Specifications: * Product Name: Toilet Flange Wax Ring with Backflow Prevention Valve * Material: Rubber + Plastic * Size: 125 x 125 x 80 mm * Color: Black, Grey Package Content: 1 x Flange Check Valve Note: 1. The actual color of the item may vary slightly from the images shown due to factors such as monitor brightness and lighting conditions. 2. Please allow slight variation in manual measurements.