Replacement filter element for the 22 oz. Sport Berkey Portable Water Bottle. 
The filter is designed to remove or dramatically reduce toxic chemicals, heavy metals, volatile organic compounds, trihalomethanes, detergents, pesticides, herbicides, chlorides, pharmaceuticals, petroleum-based products, unpleasant tastes and odor, silt, sediment and chlorine
Uses the same filtration medium as the larger Black Berkey Purification Element
Sport Berkey Filter Refill Capicity:
Water from any source: 160 refillls
Municipal/Well Water: 640 refills
Do not run hot water through filter