The new Fluidmaster® PRO45H Toilet Fill Valve with New Bowl Water Level Control is available exclusively for professional plumbers. This ultra-quiet fill valve installs with the same ease and speed of the PRO45 and PRO45B. It gives you the ability to control the bowl water level separately from the tank and works with more two piece toilets including 1 gpf all the way to 5 gpf toilets. The valve comes already equipped with a flow restrictor to eliminate potential water hammer issue with little loss of speed. The PRO45H is set to standard refill toilets or can be simply adjusted for more or less water into the bowl. The PRO45H saves you time and your customers money with no extra steps! No longer do you have to shop around for a specific model or brand of valve, save time save money choose Fluidmaster® PRO45H the new GO TO valve for plumbers.