Protect Your Family and Household Appliance from Lead: Our filter (FCRC25B) is specially designed for reducing lead. This filter features a high capacity of 15, 000 ppm for lead, effectively reducing lead to below 15 ppb (the EPA standard for drinking water). Standard Size: Our filter fits standard 20 x 4. 5 housings, including brand name models. Easy to Maintain: The cartridge lasts up to 3 times longer than conventional media. It also has a minimum impact on water flow (up to 15 GPM) and requires minimum maintenance. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help! Please Note: The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. Unlike an RO membrane, the filters dont reduce Total Dissolved Solids (TDS), and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems. At iSpring, we look beyond technology to make high-quality drinking water accessible for all households. We provide our customers with professional water solutions to any water concerns you may have. Ultrafiltration capacity for lead at 15,000ppm (the average lead level found in Flint, Michigan is 100ppb). Filtration Capacity: 150k gal at 100ppb for lead. If you are on well water, we recommend getting your water tested before purchasing the product for the best results. If you have any questions or need any product recommendations, please feel free to reach out. Safe Water For the Ones You Love. Save on your water bill – the filters wont produce any wastewater. The filters are specially designed for a high water flow: up to 15 gallons per minute. Fits standard 20 x 4.5 filter housings. Unlike an RO membrane, the filters dont reduce Total Dissolved Solids (TDS), and instead keep healthy minerals in your water. The item “ISpring Lead/Iron Removal Whole House Big Blue Replacement Filter 4.5” x 20′” is in sale since Monday, April 27, 2020. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters”. The seller is “ispringwatersystems” and is located in Alpharetta, Georgia. This item can be shipped to United States.