Hahn Blue Whole House Water Filtration System. Product Description: Filter water throughout your home with just one filter. The Hahn system catches sediment and reduces heavy metals, chlorine and other contaminants, to keep your water tasty and healthy. The easy-to-replace tank is economical, lasting six years or 600,000 gallons, and works in homes with up to 3.5 bathrooms. One Hahn whole-house water filter accommodates a house up to 3,500 square feet with 3.5 bathrooms. Upflow, dual-tank design maximizes water contact time with contaminant-grabbing filters and prevents clogging for easy upkeep. System lasts for six years or 600, 000 gallons. Filter system is NSF-certified. Sediment prefilter traps silt and rust. Copper-zinc and mineral stone attracts scale, chlorine, and water-soluble heavy metals and reduces growth of algae and bacteria. Activated carbon filter catches chemical compounds such as herbicides or pesticides. Sub-micron post-filter takes any remaining particulate matter down to 0.35 microns. You may contact your states Department of Revenue for details on how to file this return. The item “Hahn Blue Whole House Water Filtration System” is in sale since Sunday, October 08, 2017. This item is in the category “Home & Garden\Home Improvement\Plumbing & Fixtures\Water Filters”. The seller is “overstock” and is located in Utah. This item can be shipped to United States.