Korky® QuietFILL® Toilet Fill Valve 528 Universal replacement for faulty toilet fill valves and ballcocks Proven quietest in laboratory testing Easiest to install and adjust Fixes: No/slow filling toilet, toilet constantly running, noisy flushing toilet Korky® QuietFILL® Toilet Fill Valve 528 | http://bit.ly/1p9TGBf Hi, I'm Jewels and welcome to in the tank with Korky. Is your toilet noisy or constantly running? Do you have older technology that looks like this or this? Then, it's time to upgrade with the universal Korky QuietFILL. Installation is easy with Korky and takes less than 10 minutes with no tools required. Height easily adjusts to your water line and a simple twist locks it into place. Korky fits all brands and tank heights. Korky fill valves use newer technology with no external moving parts, in fact, the float is inside. This protects the valve from harsh water and mineral build-up for longer life. While minerals are good for you, they aren't good for your toilet. When replacing your current ballcock or fill valve, upgrade to Korky, the name trusted by the pro for over 50 years.