Danco HFX120 HydroFix Anti-Siphon Toilet Fill Valve Flapper Kit

Powerful jets clean the tank and flapper for more reliable flushing performance.

Flapper designed for harsh water conditions to maintain a consistent seal.

Compatible with Kohler, American Standard, and Briggs toilet models for broad fit.

Durable plastic construction for long-lasting, corrosion-resistant performance.

Installs easily without tools, with hardware included for quick replacement.

Water-saving HydroFix fill valve reduces water usage while preserving flush power.

Universal fit design streamlines repair across multiple toilet brands and models.

Contains the Next by Danco HFX120 HydroFix fill valve and flapper kit for a complete tank repair.

Anti-siphon design helps prevent backflow and supports reliable tank operation.