Alter Ego Frio - Outdoor


Ships in 24-48 hours


The Alter Ego filtration technology provides the greatest reduction per contaminant. The Outdoor filter cartridge removes everything up to 4 log (99.99%) from chlorine and heavy metals to agricultural run-off and industrial waste, including giardia and cryptosporidium. Laboratory tested and field-proven over ten years, Alter Ego water filters can transform a questionable water source into clean-tasting, contaminant-free water. The outdoor filter is perfect to fulfill all of your urban and backcountry needs in the northern hemisphere where viruses and water-born pathogens are not a problem.

  • Removes up to 99.9% of water contaminants including viruses and bacterias
  • Leaves no metallic after-taste
  • Vacuum insulated stainless steel bottle
  • Keeps water chilling cold up to 24h or steaming hot up to 6h
  • Brings clean water to the developing world through our partnership with ONE DROP
  • Multi-Patented Filtration Technology EPA/ANSI Certified & exceeds NSF standards 42 & 53
  • 100% BPA Free recyclable and replaceable
  • Filters are made in the USA


  • Design Country: Canada
  • Material: Pro Grade 18/8 Stainless Steel, PP#5, Food Grade Silicone
  • Dimensions: 10.5"H x 2.5"D x 3.2"W
  • Volume: 21 Fl Oz
  • Lid: Comes with non-filter screw-top with carabiner for use without filtration
Related Products

You May Also Like

Customer Service

We've got you covered

Free Shipping

Free FedEx ground or freight shipping on most orders over $75!

Learn more

Price Guarantee

Found a lower price? We will gladly match it.

Learn more

Safe & Secure

Shop with confidence. Your information is safe and secure.

Learn more
Product / Order inquiry

{{ message }}

{{ message }}

View cart