???????????????????????????????????????? :Tested by SGS, Waterdrop whole house water filter system effectively reduces 95.9% of iron? 99.7% of manganese. Using double iron and manganese removal cartridge to effectively solve issues caused by excessive iron and manganese, such as pipeline aging and corrosion, poor water quality, and damage to home water appliances. ????? /???????????????????????????????? :The water filter system is certified by NSF/ANSI 372 for lead-free materials to ensure your water safety. Built with durable materials, our water filter system has passed 100,000+ water hammer tests to resist harsh environments, reducing maintenance and replacement hassle. ? -?????????????????????????????? :Using double iron and manganese removal cartridge and covered with high-quality carbon fiber filter achieve double filtration area, our whole house water filter system effectively reduces iron? Manganese? Smell and odors? Chlorine? Sediment? Rust? Sand and other large particles impurities. Provides healthier water for you. ??????????????????????????? &???????????????????????????????? :The Iron & Manganese reducing filter is expected to be changed every 6-12months, while the GAC filter is due for a change every 12months. Easy-to-follow instructions make it easy to complete the installation by yourself. We are committed to saving your time? Labor and cost. ????????????????????????????????????????? :whole house water filter system protects household water appliances from blockages, wasted power and other issues. Designed to support both well water and municipal sources, it ensures 15GPM steady flow rate, providing stable water supply for your daily needs.