Video by bctruck
M.D adds: I also detail how to make this type filter in my book “31 Days to Survival: A Complete Plan for Emergency Preparedness“.
M.D. Creekmore's Survival Blog Covering all Aspects of Doomsday Prepping & SHTF Planning With Practical Tips & Skills for Preppers on a Budget.
A prudent person foresees danger and takes precautions. The simpleton goes blindly on and suffers the consequences. Proverbs 22:3
The Prepper's Guide to Surviving the End of the World, as We Know It: Gear, Skills, and Related Know-How