Korky, Quietfill Valve, Designed To Fix No & Slow Refilling, Running, & Noisy Toilets, Valve Is Quieter Than Other Fill Valves, Has A Universal Design To Fit All Brands & Features A Wide Range Of Adjustability To Fit Most 2 Piece & 1 Piece Toilets, Fill Valve Is Very Easy To Install & Adjust, No Tools Are Required, Simply Remove Your Old Fill Valve Or Ballcock, Insert Your New Korky Fill Valve, & Adjust, Innovative Twist Lock Adjustment Makes Installation Easy, Designed To Fit More Toilets, Adjusts From 7-3/4" To 13-1/2", 8 Includes: (1) Fill Valve, (1) Refill Tube, (1) Metal Refill Tube Clip, (1) Mounting Nut, (1) Cone Washer, (1) Coupling Nut, (1) Tamper Proof Key & (1) Instructions.