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I have also looked at "Natural" filters, combo of grass/dirt/sand and cloth.

Read that SERE manual I posted. It has a "how to" for a makeshift filter. Just about everything you can find in nature except the can. I bet if you had to, you could figure a way to make it with out a can. Hollow log maybe.

Hey J.J. that is a great reference material. thanks for posting it.


Tue May 03 2011 0457 am Posts 493153 & 493154 Doc and I became.... JYD Brothers of the Clock!