For use in Berkey water filters, like Berkey Light, Big Berkey, Royal Berkey, Crown Berkey, Imperial Berkey, Travel Berkey or Go Berkey. These purification elements can produce 4 gallons of clean water each hour. Set of 2 element lasts up to 6,000 gallons.
Note: These products cannot be shipped to Iowa because of certification regulations.
The lifespan of these elements depends on the water quality and filter care. On average: