Usage Tips:Feature: 1. Premium Material: The RV toilet flange is made of premium ABS plastic, RV toilet seal is made of premium composite material, both of them are resistant to abrasion and corrosion. 2. Leak-Proof: The included sealing rings provide a tight seal to prevent leaks, helping to maintain a clean and odor-free RV bathroom. 3. Perfect Fit: Replacement for Dometic toilets u0026 Replacement for Thetford toilets. This 3" RV toilet flange kit ensures a seamless fit. Replacement part number: 385345892. 4. Easy Installation: Start by shutting off the water supply and taking out the old RV toilet flange and seal. Clean the installation area and then securely install the RV toilet flange along with the RV toilet seals. Check for leaks, and the job is complete. 5. Package Includes: Flange * 1, seal ring * 2, gland * 2, washer * 2, nut * 2, bolt * 2, self-tapping screw * 4, expansion screws * 4. Elevate your RV toilet experience with our premium RV toilet seal combo kit. Specification: Main Material: ABS RV Toilet Flange Replacement Parts: 385345892 Product Color: White Package List: 1 * Flange 2 * Sealing Rings 2 * Glands 2 * Washers 2 * Nuts 2 * Bolts 4 * Self-tapping Screws 4 * Expansion Bolts