NDūR's Portable Filtration Devices are the most laboratory and field-tested of their kind in the world using EPA protocols and tested to NSF/ANSI Standards 42 and 53 by Broward Testing Laboratory. Each contains an Advanced Filter that uses the advanced technology of Seychelle®. NDūR's Advanced Filtered products remove what most other filters cannot; eliminating up to 99.9% of Micro-Organisms such as Giardia and Cryptosporidium, up to 99.99% of chemicals and heavy metals, as well as up to 99.9999% of viruses and bacteria including E-Coli found in water sources. The 46oz Survival Canteen filters up to 100 gallons of water or more, depending on the quality of the source water. Seen as one of the safest, most convenient, low-cost alternative to boiling, purification drops and bottled water, and is suitable for travel throughout the world. Simply fill your container from any tap, stream, river or lake, even in third world countries, and enjoy safe, clean drinking water straight away. With NDūR's Advanced Filtration System, you'll have instant access to safe drinking water anywhere in the world. Weight 19oz/538g The NDūR Survival Canteen Kit includes: -Canteen -Advanced Filter -Carrying Pouch -Fire Steel & Striker - Small -Utility Flame -Emergency Survival Blanket -Emergency Signal Mirror -Safety Whistle -Flexible Wire Saw -Mini Compass w/Thermometer -Spork -Waterproof Survival Instructions Key Factors for the 46oz Survival Canteen: - Made from BPA-free plastic - Filter Life: up to 100 Gallons or more, depending upon the quality of the source water - Ideal for those traveling abroad Removes up to 99.9999% of: -Virus -Bacteria> E-Coli Removes up to 99.99% of: -Chromium 6 -Chlorine -Lead -Mercury -Cadium -Aluminum -Copper Removes up to 99.9% of: -Micro-organisms, such as> Giardia > Cryptosporidium NOTE: NOT FOR USE WITH SALT WATER