|NATIONAL PARKS QUICKLINKS|
Backpacker Magazine – June 2009
Remove most micro-nasties, draw water from barely-there puddles, and quench thirst fast with the versatile pump filter.
The cartridge contains tiny pores (.2 microns or smaller is standard for backcountry use) that let water pass through but block protozoa (Giardia, cryptosporidium) and bacteria. Consider these major types: