Obsessively engineered for clean, filtered water throughout your entire home. Reduces 97% of chlorine taste and odor from tap for 6 years or 600,000 gallons. Perfect for households of 4 or more people. Improves skin and hair softness-reduce exposure to harsh chlorine that can cause excessive drying. Breathe better air-stops chlorine from evaporating into the air you breathe for cleaner air throughout your home. Eco-friendly-no drainage, back-flushing, or water waste. Includes one Central Water Filter, shut-off valve, nipple, and hose adapter.