Outdoor | Water Filter Cartridge (99.9%)

$ 25.00



  • Filters river, lake and tap water (Northern hemisphere)
  • Removes up to 99.9% of water contaminants including viruses and bacterias
  • Leaves no after-taste
  • The Outdoor filter is perfect to fulfill all of your urban and hiking/camping needs in water (Northern hemisphere)



  • Compatible only with the Alter Ego bottle
  • Helps people from developping countries to easily access to drinking water thanks to our partnership with ONE DROP
  • Multi-Patented Filtration Technology EPA/ANSI Certified
  • Exceeds NSF standards 42 & 53

    The Alter Ego filtration technology provides the highest contaminants' rate reduction. The Outdoor filter carttridge removes chlorine, heavy metals, agricultural run-off, industrial waste and Giardia and Criptosporidium.

    Laboratory tested and field-proven over ten years, Alter Ego water filters can transform any water source into clean and contaminant-free water. The Outdoor filter is perfect to fulfill all of your urban and backcountry needs (for the Northern hemisphere)

    • PP#5, Food Grade Silicone
    • 100% BPA Free
    • Recyclable and replaceable 
    • Filters are made in the USA