Fluidmaster 400CARP5 Universal No Tank Removal PerforMAX Kit, High Performance Toilet Fill Valve and Adjustable Flush Valve Repair Kit Including Flapper, For 2-Inch Toilet Flush Valves Fixes most toilet problems - replaces poor performing, or outdated fill valves and cracked flush valves Quick and Easy-to-Install, no tank removal repair kit cuts repair time in 1/2 Universal design fits most toilet models Simple peel and stick flush valve install PerforMAX 2 Flush Valve Repair Kit - high performance, quiet and powerful - included, with toilet flapper and seal Fits 2 flush valve toilets including Kohler, Toto, American Standard & more Adjustable for maximum performance and water savings Best suited for 1.28 HET & 1.6 GPF toilets made after 2005 Anti-siphon design wont contaminate the water supply Durable build includes a 5 year warranty