The Premier 6-Stage Water Filtration System is a top-of-the-line, all-in-one, whole house system. It features a 10-year warranty and delivers healthy, spring-quality alkaline drinking water to every faucet in your home. You can choose the appropriate size for either up to three or six bathrooms, too.The 6-stage system naturally removes up to 99.99% of dangerous contaminants from municipal drinking water, such as chlorine, chloramines, THMs, PFAs, heavy metals, alloys, volatile organic chemicals, herbicides, pesticides and hundreds more.