The InSinkErator F-1000S Water Filtration System is a high-quality filtration system designed for use with InSinkErator instant hot water dispensers. This system effectively reduces impurities and contaminants, such as chlorine, lead, and mercury, from your drinking water, ensuring that it is clean and safe for consumption. The F-1000S filter also improves the taste and odor of your water, providing you with a refreshing drinking experience. With its compact and easy-to-install design, this filtration system can fit under your sink and is an excellent addition to your kitchen for clean and fresh-tasting water. The filter's one-size design ensures easy replacement and is compatible with all InSinkErator filtration systems.