Ideal Whole-House Replacement Filter for: Fits GE, Culligan, Whirlpool, American Plumber, DuPont, Pentair Pentek, Watts, iSpring, Pureplus, such as FXHTC, GXWH35F, GXWH40L, GXWH30C, GXWH38F, GNQH38S, WRC25HD, WHKF-WHPCBB, RFC-BB, and BB10BB 5-Stage Enhanced Filtration with 5μm Precision: 25, 10, and 5μm outer and inner PP layers surround GAC to effectively filter a wide range of impurities. Reduces Particulates: This well water filter system effectively reduces impurities ≥5μm, including chlorine*, taste & odor*, large particles*, rust*. * Claims based on theoretical evaluation by our internal R&D laboratory. 4GPM High Flow Rate: Delivers strong water flow to support simultaneous household needs like showering, washing, and cooking. 30,000-Gallon Service Life: The Waterdrop whole house water filter provides 3–6 months of reliable use, depending on water quality. Effortless Filter Swap: Simply unscrew the housing, replace the filter, and reattach. Wide Compatibility: Suitable for both well water and municipal water systems. Protects Plumbing & Appliances: Helps reduce sediment buildup, extending the lifespan of pipes and appliances like water heaters, washers, and dishwashers.