The Biosand Water Filter removes 90% of feces, 100% of protozoa, 50-90% of organic and inorganic toxins, 67% of iron and manganese, and most sediments. The filter cannot remove dissolved minerals such as fluoride or salt.
Standing approximately 3 feet tall and weighing close to 250 pounds, the filter has no moving parts and requires little maintenance. The Biosand Filter is able to cleanse one liter per minute. The cost is approximately $150 usd, which includes the cost of transport to remote locations.