We have all heard of the quote “Water, water everywhere but not a drop to drink” that is exactly how it is in an urban survival situation after a massive disaster. Water supplies are usually shut down or contaminated in some way and unsafe to drink. Remember the human body can go weeks without food but only days without water. That’s why knowing how to obtain clean, safe, drinkable water should be well thought out before a disaster strikes.
Here is a simple and easy product by Sawyer that you can use without thought which I have personally use and own.
0.1 Micron absolute hollow fiber membrane inline filter
Removes 99.99999% bacteria and 99.9999% Protozoa
Polypropylene and polyethylene material is easily field maintainable
No residual chemical tastes
Comes with manufacture's 1 million gallon guarantee
There’s no such thing as a dirty fighter only an educated one.