It is fully adjustable to prevent water waste in all toilets. This toilet fill valve is easy to install and adjust; no tools are required. From the Manufacturer Designed to fix no/slow refilling, running, and noisy toilets, the Korky QuietFILL Platinum Toilet Fill Valve is quieter than other fill valves and is ideal for toilets since 1994 (1.6 GPF or less).
eBay