NDuR'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®. NDuR'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 28 oz Flip Top / Pull Top Bottles filter 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. 

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 

Weight: 2.6 oz / 73.7 g 

Note: Not for use with salt water.