The LifeStraw Peak Series Membrane Microfilter Replacement is re-engineered with double the filter density and redesigned for improved flow rate. Enjoy an optimal filtration performance against sand and silt, while still receiving high flow rate. This highly versatile filter also features universal threading for compatibility with most gear.

The LifeStraw Peak Series Membrane Microfilter Replacement provides comprehensive protection against bacteria, parasites, microplastics, silt, sand, and cloudiness. Our re-engineered membrane and custom backwash accessory provide enhanced performance against sand and silt with uninterrupted flow. At ultra-compact size, it won't sacrifice weight or space and is compatible with the Peak Series collapsible squeeze systems, gravity water filter systems, or as a standalone straw.