Filtrete High Performance Whole House Systems filters incoming household water for all uses including drinking dishwasher clothes washer and showering. More convenient and less messy than traditional Large Capacity Whole House Sump Style Systems. Reduces chlorine taste and odor sand soil silt rust and sediment based on 3M Testing. A new system has a 12-month filter life for 4+ persons / +3-bathroom households and includes a space saving design.