Espring best Carbon Filter

Product Name: Espring best Carbon Filter
The carbon-block filter effectively removes more than 140 potential impurities, and alerts you when it's time for the filter to be replaced—about once a year, or every 5,000 L (1,320 gallons)*. NSF International Certified to NSF/ANSI best Standards 42, 53, 55B, and 401, and NSF Protocol P477. Water Quality Association Gold Seal Certified, which ensures product has been constructed from safe materials and claims are backed by test data. Allows beneficial minerals like calcium, magnesium, and fluoride to pass through. Dramatically improves taste, odor, and water clarity.