The Fluidmaster 218 Refill Tube and Clip Replacement offers a proven solution to replace corroded, or leaky refill tubes. Featuring an easy to install design, that works with not only Fluidmaster toilet fill valves, including 400A, but will also work with most other fill valves. Eliminate purchasing a new fill valve with a simple DIY toilet repair part. Built with quality rubber and plastic materials, and including a 1 year warranty.