NduR Survival Canteen Kit with Advanced Filter and Pouch, 46-Ounce, Olive Filter life: up to 100 gallons or more depending upon the quality of the source water Made with BPA-free plastic Simply fill from any tap, stream, or river and enjoy safe drinking water Featuring Seychelle's Ionic-Adsorption Micro-Filtration (IAMF) Kit contains: canteen, filter, fire steel and striker, utility flame