A portable filter turns stream or lake water into drinking water.
Look for
Removes bacteria and protozoa (look for a stated test standard)
Easy to clean or back-flush
Fits your use: squeeze or straw for one person, gravity bag for a family
Avoid
Assuming a filter removes viruses or chemicals - most do not; also disinfect or boil when unsure
Tip
Keep a back-up: bleach or water purification tablets.
This guide is general advice and will be checked by a preparedness reviewer before release. Partner reviews and store links will appear here later, always clearly labelled.