- Extend the life of your PRO45 Toilet Fill ValveEasy to installA replacement toilet fill valve cap for Fluidmaster PRO45, and 400 model fill valvesIncludes an adapter for old style fill valve designs Durable plastic constructionA quick, simple upgrade to eliminate purchasing a new valve1 year warranty
The Fluidmaster PRO35 Pro Series Replacement Toilet Fill Valve Cap. Use this quick and easy solution to fix an otherwise working PRO45 or 400A fill valve. Eliminate purchasing a new valve with this new valve cap.