Heavy use toilet inlet valve.
Commercial Toilet Fill valve, Soft rubber flapper & 1 overflow tube extension.
Toilet Fill Valve, For commercial high volume usage. Like Restaurants, Bars, Stadiums, Gyms, Athletic Clubs, Churches and any high volume toilet use. Toilet tune up kit. Best Japanese Fill Valve “Tsunami” designed to fill fast and flush fast. One soft rubber flapper valve and one overflow tube extension to put more water in your toilet tank for a more powerful flush. Change your toilet into a power flusher. Put more water into your toilet and it will flush better. You will save water because you will only have to flush once. Smart and easy to install and no plumber necessary.