The Waterdrop Whole House Water Filter System uses a 5-stage filtration process with iron and manganese reducing filters plus a GAC filter to effectively reduce iron by up to 99.3%, manganese by 96.8%, chlorine by 95.63%, as well as sediments, rust, taste, and odor. Made with natural coconut shell carbon, it improves water quality for the entire home while protecting pipes and appliances. Built to withstand 100,000+ water hammer and pressure tests, it works reliably under 25–90 psi. With a service life of up to six months, durable construction, and simple DIY installation aided by the included wrench, it provides clean, safe water and extended appliance lifespan at a lower maintenance cost. | Waterdrop | | WHF21-FG Whole House Water Filter System Extra WD-RPFK Filter | Blue | Best Buy