Whether you're hiking, camping, fishing, or just enjoying the great outdoors, getting clean and safe drinking water is essential. The McNett Frontier Water Filter System offers the convenient solution for backcountry travelers. It cleans up to 30 gallons (113.6 liters) of water and purifies it from impurities and harmful pathogens, including waterborne insect larvae and many bacteria such as E. coli. It even removes 99.9% of giardia and cryptosporidium that can cause gastrointestinal illnesses. This McNett Frontier is compact, lightweight, and easy to use. Just attach the straw to the activated carbon filter and you can drink from your water source. You can also use the filter to purify water from your bottle or cup. Not only does the activated coconut shell carbon filter reduce waterborne chemicals, it improves the water taste. Get the perfect addition to your 72-hour emergency kit. Wherever your adventures take you, make sure to bring the McNett Frontier Water Filter System. Filter is made in the USA.