LifeStraw Peak Series Gravity Filter System - 3L

Simple, lightweight and compactible. Designed to be ultra-versatile and fully leak-proof, use as a storage system while moving about, or as a straw filter by itself or with a standard water bottle. 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.

• Protects against: 99.999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, silt, sand, and cloudiness 
• Membrane Microfilter lasts up to 2,000 L | 500 gallons