The USWF Fluoride reduction gravity filters can be used as a replacement for the Berkey PF-2 and fit many other brand's gravity systems. 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, and Alexapure Pro systems. The set of filters can filter up to 1,000 gallons, with each single filter element filtering 500 gallons. They are designed to be combined with compatible black carbon gravity filters like the BB9-2 for additional filtration performance.
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.