PRO45B Fluidmaster Pro Series Toilet Fill Valve with Brass Shank The Fluidmaster PRO45B is the most trusted and proven toilet fill valve in the market and features a durable brass shank design. Built to last from high-quality materials and featuring a 5 year warranty. Installation is easy, with an adjustable height from 9 in. to 14 in. Quickly eliminate toilet fill problems with a quiet and powerful solution. Fluidmaster® PRO Series® products are built with the highest quality specifically for the Pro. The PRO45B Toilet Fill Valve With Brass Shank adds additional protection and performance, while offering quiet, dependable and durable usage that fits all brands.Fluidmaster® PRO Series™ Toilet Fill Valve with Brass ShankHeavy-duty brass shank included for durability and leak protectionEasy to installFits all brandsEnlarged and easy to turn tank water level adjustment dialUltra-quiet operationMinimal water hammePreferred by professional plumbers5-Year Warranty