The Frontier" emergency water filter is a small, lightweight backup filter system which will remove pathogens and contaminants down to 2 microns in size. That means it will remove giardia, cryptosporidium, and e. coli. Its activated carbon helps reduce waterborne chemicals and improves water taste. To use, simply insert into water source and drink through the straw. Filters up to 20 gallons of water. Weight: 0.6 oz.
