LifeStraw’s Peak Series filter membrane density has been re-engineered for optimized flow rate - meaning better performance against sand and silt while maintaining great flow for the long haul. This highly versatile filter is designed to be interchangeable, featuring universal threading to make it as adaptable as possible to all your gear. Your purchase has impact: For every LifeStraw product purchased, a school child in need receives safe water for an entire school year.


  • Enhanced microfilter performance: Our re-engineered membrane and custom backwash accessory means better performance against sand and silt, maintaining great flow over the long haul
  • Ultra-compact, our reconfigured filter is tiny but mighty and doesn’t sacrifice weight or space
  • Use with the collapsible squeeze bottle, gravity water filter system or as a standalone straw
  • Your purchase has impact: one purchase, one child, one year of safe water
  • LifeStraw is proud to be a B Corp and Climate Neutral Certified brand, committed to meeting the highest standards of verified social and environmental performance, transparency and accountability
  • Protects against 99.999999% of bacteria (including E.coli, Salmonella), 99.999% of parasites (including Giardia and Cryptosporidium), 99.999% of microplastics, silt, sand, and cloudiness


  • Advanced Features: Reinforced, Reusable
  • Assembled Height (cm): 13.79 cm
  • Assembled Height (ft): 0.4524 ft
  • Assembled Height (in): 5.4291 in
  • Assembled Length (cm): 5.49 cm
  • Assembled Length (ft): 0.1801 ft
  • Assembled Length (in): 2.1614 in
  • Assembled Width (cm): 5.89 cm
  • Assembled Width (in): 2.3189 in
  • Assembled Width (mm): 58.9 mm
  • Certifications: NSF Certified
  • Elements Filtered: Sediment, Odour, Pesticides, Heavy Metals, Herbicides, Bacteria, Chlorine Odour, Chlorine, Chemicals, Silt, Chlorine Taste
  • Filter Life (Month): 0 mo
  • Filter System: Outdoor
  • Form: Membrane
  • Number of Pieces: 2
  • Particulates Filtered: Chlorine -CTO, Water, Bacteria
  • Primary Material: Other
  • Sustainability: B Corp Certified Brand, Climate Neutral Certified Brand
  • Type of Filter: Chemical Absorption, Mechanical, Activated Carbon, Sediment Depth