North Star Whole House. Central Water Filtration System. Automatically cleans itself – No Cartridge to Change. Space-saver, less than 1sq ft footprint. Estimated 570,000 gallons. Some may have minor box denting from warehouse shelving. We are a trusted overstock company. The item “North Star Whole House Central Water Filtration System NSWHCW 7358179 New” is in sale since Saturday, August 3, 2019. This item is in the category “Home & Garden\Home Improvement\Plumbing & Fixtures\Water Filtration Systems”. The seller is “city-bargains” and is located in Gallatin, Tennessee. This item can be shipped to United States.