The Best Products with Superb Unmatched Service. Enjoy clean water from every faucet of your whole house Effectively reduces iron, manganese, chlorine, sediment and more Filters up to 100K gal. Of water or lasts up to 12 months. Make your water safer with this iSpring 3-stage whole house water filtration system. It minimizes sediments, chemicals and up to 99% of chlorine. You can install it at the main water supply line to treat all the water in your home. Protect your family and household appliances from iron, manganese and more Third stage filter removes iron and manganese Removes sediment, chlorine, rust, herbicides, industrial solvents, bad tastes and odors and various other contaminants DIY installation and maintenance Filter capacity 100,000 gal. Of water, enough for a family of four with clean water for a full year Filter cartridges individually wrapped for freshness Please note – unlike an RO system, WGB32BM whole house water filter system will not reduce Total Dissolved Solids (TDS) and instead keeps healthy minerals in your water; if you are interested in a water filter that removes TDS, consider our iSpring reverse osmosis (RO) systems. 5.33%(12days)—-55.56%(35D)—-32.57%(68D)—-2.39%(910D)—-1.06%(above 10D). Please contact me for additional instructions. We are not responsible for voltage differences on International Orders. All our electronic products use the US power standard. We aim for 5-Star Service and Feedback. Leave good feedback for us and we will do the same for you! Thanks for Taking a look. Please give us the opportunity to resolve any problem. Thanks for taking a look at our product. We will do our best to serve you with great products and amazing service.