Water Filter Elements – Compatible with All Berkey Water Purification Systems Fully compatible with all Berkey water purification models, ensuring seamless replacement and performance. Constructed with natural coconutactivated carbon to effectively reduce chemicals, heavy metals, and other impurities from freshwater sources. Comparable in fit and function to the original BB9 part, offering reliable filtration without compromising quality. Longlasting performance: a pair of black filter elements can purify up to 6,000 gallons of water before replacement is needed. Not suitable for use with saltwater or softened water. Dimensions: 9.5 inches length x 2.5 inches diameter for each element. Package includes two black filter elements. Ideal for multiple applications: 1. Home use – Deliver clean, tasting water direct from your Berkey system for daily drinking and cooking needs. 2. Outdoor activities – Ensure safe water during camping, hiking, or RV trips by filtering water from lakes, rivers, or other freshwater sources. 3. Emergency preparedness – Maintain a dependable supply of purified water during power outages or natural disasters. Designed for customers seeking dependable filtration, these coconutactivated carbon elements provide an effective solution to improve water safety, taste, and overall quality. With long service life and compatibility, they are a trusted choice for maintaining performance from your Berkey purification system.