2pcs purification elements last up to 6,000 gallons of clean and safe drinking water bee needing replacement. Requires no power to purify raw, untreated water from remote lakes and streams. Removes small particles and impurities, reduces turbidity and improves taste. Perfect home, emergency preparedness, outdoor adventure, camping, hiking, backpacking, etc. Constructed from food-grade stainless steel, chemical-free, healthy and reliable.
