Phosphate cartridges are designed to reduce lime and scale buildup in your water heater and plumbing. Anti Scaling properties help keep your piping and any surfaces that hard water touches clean from calcium and magnesium buildup. Since it combines food-grade phosphate crystals with 0.5μ Carbon Block Exterior Filtration, this unique powerhouse filter also helps reduce taste-and-odor contaminants in your water.
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