Korky 2X HET Toilet Valve, Designed To Fix No/Slow Refilling, Running, & Noisy Toilets, Quietfill Platinum Valve Is Quieter Than Other Fill Valves, Ideal For Toilets Since 1994, 1.6 Gallons Per Flush Or Less, Fully Adjustable To Prevent Water Waste, Refill Adjuster Delivers The Right Amount Of Water To The Bowl To Maintain Original Performance, Easy To Install & Adjust, No Tools Are Required, Adjusts From 7-3/4" To 13-1/2", Fits Kohler, Toto, American Standard & All Other Brands, Includes: (1) 528MP Fill Valve, (1) Refill Tube, (1) Metal Refill Tube Clip, (1) Mounting Nut, (1) Cone Washer, (1) Coupling Nut, (1) Tamper Proof Key, (1) Refill Adjuster & (1) Instructions.