LifeStraw Peak Series Membrane Microfilter Replacement

- Protects against bacteria, parasites, microplastics, silt, sand, and cloudiness
- 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
- Compatible with the Peak Series collapsible squeeze systems, gravity water filter systems or use as a standalone straw