I researched/tested a particular unit called NDuR Survival Straw and I love it. I think it is an essential piece of survival equipment. It removes 99.99% – 100% of all the bad stuff including heavy metals.
This is a great lightweight, portable, and effective way to purify any water source you will realistically encounter. 25+ gal life cycle. There is also a model of NDuR that can remove radiological particles as well. If you are worried about clean water and weight, this is the filter system for you. Even a young child can carry their own NDuR. Less than 7” long and weighs just a few ounces.
The NDūR Survival Straw contains an advanced filter designed and tested by Seychelle Research Laboratories – one of the most sophisticated portable water purification devices in the world. Not only does it remove up to 99.99% of chemicals and other contaminants, it also protects you against viruses and bacteria to 99.9999% in water that other filters cannot remove. In addition it removes harmful heavy metals like mercury, lead, aluminum. The NDūR Survival Straw is made from BPA-free plastic, so it’s 100% safe.
With the NDūR Survival Straw, you’ll have instant access to safe drinking water anywhere in the world. Plus you’ll save money on bottled water, and reduce your plastic footprint by keeping hundreds of plastic bottles out of landfill.
Removes up to 99.9999% of:
Removes up to 99.99% of:
* Chromium 6
Removes up to 99.9% of:
Radiological Survival Straw Removes 100% of:
• Gross Beta
• Radioactive Iodine
An lesser quality alternative would be a product called LifeStraw. It does not perform as well as the NDuR. The LifeStraw does not filter chemicals, salt, viruses, heavy metals, or improve water taste.
These devices cost under $25 and can be carried in a pants’ cargo pocket.
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