400CAR3P2 : Fluidmaster PerforMAX Universal Fill Valve for 3" Flapper Kit,

Fluidmaster PerforMAX Universal Fill Valve for 3" Flapper Kit.The PerforMAX® Fill Valve and 3″ Flapper Kit is the premium solution to fix and upgrade your 3″ flush valve toilet!
Note: This kit works with any 3″ flush valve toilet. The PerforMAX® Fill Valve and 3″ Flapper Kit is the best solution for 3″ flush valve toilets that are having problems such as:
Noisy Toilet
Toilet turns on by itself
Constant running toilet or leaky toilet
Toilet has weak flush or will not flush
Slow filling toilet
Toilet makes high pitch sound after flushing
Not enough water in toilet bowl

Features:
PerforMAX® products provide optimal performance while saving water and money
Silicone seal lasts up to 10 times longer than standard flappers
Hard water resistant
Solid frame flapper for ultimate reliability – no twisting and best seal every time and eliminates ghost flushing
Anti-siphon operation, code approved