PERFECT FIT - The 385311641 water valve and 385311658 flush ball kit are compatible with Sealend, Travelar, Vecuflush toilet, RV vacu-flush toilets, and 300 & 310 & 320 series pedal-flush toilets. Basic value flush ball seal DOES NOT fit for models: 210, 510 or other models not mentioned PREMIUM MATERIAL - ① 385311641 water valve kit is made of plastic strengthened and thoroughly tested by manufacturer to no leakage. ② This 385311658 flush ball seal is made of high-grade structure and high-quality rubber fully tested by the manufacturer to provide higher efficiency, durability and best quality to for a longer service life SUPERIOR PERFORMANCE - Our 385311641 water valve kit can prevent damage to the toilet caused by broken pipes, keeps the water flowing and prevents it from freezing in cold weather. The upgraded 385311658 flush ball seal kit can keep the water in place and discharge the unpleasant smell, keep air clean, and also effectively solve the leakage problem EASY INSTALLATION