The Precision Series Whole House Water Neutralizing System, 4 - 6 People uses neutralizing media to raise the pH of acidic water. Acidic water corrodes pipes and appliances, reducing their service lives. Neutral pH levels reduce corrosives, which protects fixtures, pipes and appliances by reducing the potential of copper, lead and other metals leaching into drinking water. The Precision Series Whole House Water Neutralizing System provides 3-5 years of service with one easy to install tank for a family of 1-6 people, based on water usage. It is ideal for medium to larger homes, condominiums, and offices. Protect every drop with a Tier1 system today!