PRO45H Fluidmaster Pro Series Fill Valve with Tank and Bowl Water Level Control The Fluidmaster® PRO45H PRO Fill Valve with Tank and Bowl Water Level Control is available exclusively for professional plumbers. This ultra-quiet, powerful fill valve, the PRO45H comes with the same standard setting as the PRO45 and PRO45B, but gives you the ability to control both tank and bowl water levels. A versatile toilet fill valve design that works with all toilet types from 1 gallon per flush to 3.5 gallons per flush, with a code approved anti-siphon design. Choose Fluidmaster® PRO Series® when replacing old, or failing toilet fill valves.A PRO Series® toilet fill valve, now with both tank and bowl water level controlFast and easy to installServices all toilet types from 1 GPF to 3.5 GPFAdjustable dials to fine-tune water levels in tank and bowlEZ-twist height adjustment from 9” to 14” to fit more tanksHigh performance - Top choice for high pressure homes and propertiesUltra-quiet, powerful operationCode approved anti-siphon design7 year warranty