Berkey SPTREP Replacement Filter for GSPRT Sports Bottle INCLUDES: One REPLACEMENT FILTER for the Sport Berkey Filtering Water Bottle. Each Filter filters up to 100 gallons (640 refills) of municipal water and up to 25 gallons (160 refills) of water from question sources such as lakes, streams, rivers and etc. Please note Sport Berkey Water Bottle Not Included. FILTRATION TECHNOLOGY: Utilizes ionic adsorption micro filtration technology. Water Bottle Filter absorbs water pollutants such as aluminum, cadmium, chromium, copper, lead, mercury, and other dangerous heavy metals. TESTING: The Sport Berkey Water Bottle Filter has been tested by State & EPA accredited laboratories to EXCEED in the EPA Protocol for Microbiological Filters and ANSI/NSF Standard 53, adapted for sport bottles. REMOVES: Hex. Chromium (Chromium 6) &gt;99.9% | Lead &gt;97.5% | Mercury &gt;98% | Chloroform &gt;99.8% | Arsenic 76.5% REDUCES: Harmful microscopic pathogens | Toxic chemicals | Trihalomethanes| Volatile Organic Compounds | Toxic chemicals | Detergents | Pesticides | Heavy metals | Unpleasant taste and odors, cloudiness, silt, sediment and chlorine USAGE: Perfect for everyday, traveling or adventuring! The Sport Berkey Filter is easy to use and is very light weight! The filter is designed to reduce or remove many harmful contaminants from questionable sources of water, including remote streams, lakes, stagnant ponds and sub-standard water supplies in foreign countries where regulations are non-existent or not enforced.