LifeStraw Universal Bottle Adapter with 2-Stage Filtration

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Turn your water bottle into a powerful filter with the LifeStraw Universal Bottle Adapter with 2-stage filtration, which removes bacteria, protozoa and chemicals so you can sip clean water on the go.


  • 2 cap sizes (standard and wide), plus 2 mouthpieces (standard and sport) allow you to filter water with a range of water bottles
  • 2-stage filter combines hollow-fiber membrane and activated carbon to deliver safe, clean-tasting water
  • Filter physically removes 99.9999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.9% of all protozoa, such as giardia and cryptosporidium
  • Reduces organic chemical matter such as pesticides, herbicides and VOCs from your water
  • Exceeds NSF 42 standard for chlorine reduction; exceeds US EPA drinking water standards for bacteria and parasites
  • Microbiological filter lasts up to 1,000g of filtering; carbon capsule lasts up to 26g of filtering
  • Interchangeable mouth pieces fit many popular water bottle brands
  • Easy-carry, leakproof lid; replaceable filters; made with recyclable materials
  • Includes carry bag


View all LifeStraw Straw Water Filters

Technical Specs

Best Use


Filter Type


Filter Medium

Hollow fiber membrane/carbon filter


Protozoa And Bacteria

Housing Material


BPA Free


Field Cleanable



8.7 x 4.5 x 3 inches


3.7 ounces


Contains recycled materials

From a Climate Neutral Certified brand

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