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FilterPen NATO
 The FilterPen NATO is a handy straw-like water filter designed to remove waterborne pathogens from your drinking water. The FilterPen contains capillary microfiltration membranes, which provide an effective physical barrier to harmful waterborne microorganisms such as bacteria, cysts and protozoa. The FilterPen NATO has been approved by the German Army as part of their 1-Man Desert/Polar/Mountain Survival Kit and has been granted a NATO stock number (NSN 4610-12-367-1869). |