Fluidmaster 400H-002 PerforMax High Performance Toilet Fill Valve - (Replaces 400AH and 400ARHR)

EZ-Twist adjusts from 9" - 14" to fit most toilet tanks. Quick and easy installation. Large turbo port for exceptional fill power. Water saving roller clamp lets you regulate fill level in the bowl, saving water and money. Double flange design for ultra quiet fill. Torque guard lock nut prevents thread damage from over-tightening. Turn and lock top for easy servicing. Anti-siphon design prevents contamination of drinking water supply.