USWF Gravity Filter Elements Combo Pack, Black Carbon and Fluoride Elements

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The USWF gravity-fed filter elements combo pack can be used as replacements for the Berkey BB9-2 black carbon & PF-2 fluoride filters but also fit many other brand's gravity system s. Designed for use in the USWF gravity filtration system these replacement filter cartridges also fit Big Berkey, Travel, Royal, Imperial, and Crown series as well as the Waterdrop King Tank, Purewell, Alexapure Pro, and Doulton W9361122, & W9361123 systems. The pair of black carbon filters can filter up to 6,000 gallons, and the pair of fluoride filters can filter 1,000 gallons. USWF Gravity Water Filtration Systems are a practical and cost-effective water filtration solution. By utilizing the power of gravity to draw unfiltered water from the top chamber into the bottom chamber, this system does not require any electricity, and does not need to be connected to any permanent water supply. Because of its simplicity and convenience it is the perfect water filter for outdoor camping, RVing, off-grid homesteads, but also works on any kitchen counter. Show more