The Fluidmaster K-400H-039 PerforMAX High Performance Toilet Fill Valve and Adjustable 2 in. Flapper Kit offers the top choice to fix your toilet’s performance and saving water. This universal design, is made for 2 in. flush valve toilets including Kohler, Toto, American Standard and more. Quickly solve common toilet problems like noisy, leaky or running toilets. Featuring the high performance PerforMAX Toilet Fill Valve the quietest, most powerful fill valve on the market. Now featuring both tank and bowl water level adjustment dials, to quickly customize your water use. The EZ-Twist height adjusts from 10” to 15” to fit most tanks for a fast install. Also, featuring the PerforMAX Water-Saving 2 in. Toilet Flapper, which offers a dial adjustment to set your water use per flush. The solid frame ensures a secure seal, while the hard water resistant materials, and built-in Microban technology fight bacteria and breakdown. Upgrade your toilets fill and flush, and save with Fluidmaster’s PerforMAX Fill Valve and Flapper Repair Kit. The PerforMAX fill valve and 2" Flapper Kit is the premium solution to make your 2" flush valve toilet run like new PerforMAX toilet fill valve offers high performance with adjustable tank and bowl water for full water control Fast and Easy to Install PerforMAX Water-Saving Toilet Flapper included to save water use per flush Adjustable fill valve height to fit more tanks Maximize flush performance and water savings Corrosion resistant flapper Solid frame flapper eliminates twisting and ghost flushing 7 Year warranty Series Name: Performax Type: Toilet fill valve and 2-in flapper kit For Use with Urinals: No Hardware Included: Yes Leak Detection: Yes Package Contents: 2 inch kit with Performax 2.0 Universal Fit: Yes Warranty: 7-year Brand/Model Compatibility: 2 inch kit with Performax 2.0 CA Residents: Prop 65 Warning(s): Yes UNSPSC: 30181800