S-IV Backcountry Replacement Filter by Aquamira

  • Sale
  • $17.99
  • Regular price $19.99

Protect Your Thirst—No Matter Where You Are

Discover the filter for every adventure: the Aquamira S-IV Backcountry Replacement Filter!

Extend your filtration capabilities and explore new destinations with confidence.

  • Reduces ≥99.9999% of bacteria*
  • Reduces ≥99.95% of cysts*
  • 100-gallon filtration capacity
  • Minimizes chlorine, chemicals & odors**
  • Improves taste**
  • Made in the USA

Primed for Adventure

Emergency situations, international travel, or backcountry exploration, this filter is primed and ready for adventure right away!

The ultralight cartridge provides superior filtration capabilities while adding less than an ounce of weight to your pack. Plus, this filter connects to any Aquamira Series IV system! Customize your Frontier MAX or Shift™ Bottle for maximum filtration.

Elevate your water filtration. Explore the world!


*Meets US EPA Biological Purifier Test standard for reduction of bacteria and cysts in EPA Type-1 test water.

**Meets or exceeds ANSI/NSF 42.