Sagan Life LLC commits to providing safe, pure healthy drinking water to everyone for camping, hiking, outdoor adventures, in case of emergency and especially for everyday use. We mean business when it comes to water purification. Our water filters are absolute and we stand by our results. All Sagan Life™ water filters are independently tested and proven by qualified water laboratories. Our water filtration products are crafted for everyday use, travel, all outdoor adventures, survival and emergency preparedness. The filters remove bacteria, giardia, cryptosporidium, and even virus. Sagan Life products convert any non-salt water source into safe, drinkable water. Drink confidently from lakes, rivers, and streams when camping, hiking or any outdoor adventures. Use in emergency situations, as you can even safely drink previously contaminated flood water. Our products include free shipping and come with a 100% guarantee or your money back!