Do Backpacking Filters Filter Out Bacteria?
Do Backpacking Filters Filter Out Bacteria? Backcountry-grade microfilters are designed to remove contaminants down to 0.2 microns and should meet NSF protocol p231 and/or the U.S. EPA’s Guide Standard and Protocol for Testing Microbiological Purifiers (for removal of bacteria and protozoa). Do carbon filters remove bacteria and viruses? Activated carbon filters will not remove microbial