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: Our product is 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 effectively prevents water from flowing back, reduces odors caused by backflow, and helps maintain a fresher bathroom environment. * Easy Installation: Our toilet flanges are designed for simple, hassle-free installation. The user-friendly design allows for easy installation and replacement of the flange and wax ring, saving time and effort. * Reliable and Durable: Our toilet wax ring gasket is made of high-quality materials to ensure long-lasting performance and durability. Designed to provide a secure, leak-free seal. 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 due to manual measurement.