Two authentic Berkey purification elements for reliable gravity-fed filtration Berkey Authentic Black Berkey Purification Elements are designed to work within Berkey gravity-fed systems, including popular models like Big Berkey, Berkey Light, Crown Berkey, Imperial Berkey, Royal Berkey, Go Berkey, and Travel Berkey. When water flows through the purifier, these elements engage a multi-media filtration approach that supports clean-tasting water straight from your tap. What you may appreciate in everyday use: Authentic BB9-2 replacement elements come in a two-pack, ready for easy swaps in Berkey systems Capable of filtering over 200 typical contaminants commonly found in tap water Independent third-party testing backs the performance of the elements, thanks to a unique media blend Economical solution with a low cost per gallon when used as directed Long-lasting filtration: each pair may provide up to 6,000 gallons before replacement is recommended Long-term reliability for home and small spaces These elements are built for everyday use in households, cabins, or small offices relying on gravity filtration. They fit a range of Berkey models, ensuring compatibility and a straightforward replacement process for ongoing purification needs. The gold standard in gravity-fed filtration Authentic Black Berkey Elements offer a multi-media filtration approach that aims to reduce a broad spectrum of contaminants and provide a long lifespan compared with many other filter options. This synergy among media types is designed to work together and emphasize performance consistency across compatible Berkey systems. Note: replace elements according to your system’s guidelines and based on the quality of influent water. Actual performance and lifespan can vary with water source and usage patterns. FAQ Q: Which Berkey models are compatible with these replacement elements? A: They fit most gravity-fed Berkey systems, including Big Berkey, Berkey Light, Crown Berkey, Imperial, Royal, Go Berkey, and Travel Berkey. Q: How long do the Black Berkey Elements typically last? A: Up to about 6,000 gallons, depending on influent water quality and usage.