The Korky 2x long-life universal complete kit is the longest-lasting, most universal repair kit for 2-inch toilets. The proprietary Chlorazone II rubber formulation lasts 2 times longer and is backed by a to hold up in the harshest environments. The complete kit allows for a full overhaul of your toilet in just one trip and is designed to fix no-refill, slow-refilling, running, and noisy toilets. The included universal toilet flapper and toilet fill valve are designed to fit all brands and feature a wide range of adjustability to fit most toilets.