General description Weeplow O’Pure 2 filters are designed for gravity water filter systems, providing exceptional filtration performance. Tested by independent laboratories, these filters reduce contaminants, including bacteria such as E. coli, by up to 99.999%. They are compatible with various filtration systems, including Berkey and Doulton, and are made from high-quality coconut activated carbon, ensuring superior water purification while retaining essential minerals. Technical specifications Filter size: Diameter approximately 57.15 mm, Length approximately 247.65 mm Capacity: Each filter has a lifespan of 11,000 liters; a pair filters up to 22,000 liters Compatible with Berkey models: Big (8.5 L), Light (12.5 L), Royal (12 L), Travel (5.7 L), Imperial (17 L), Crown (23 L) Installation Quick and easy to install Replacing the purification element is straightforward Usage Can purify tap water, rainwater, river water, stream water, well water, and lake water Other information