Membrane Filter
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.

Activated Carbon Filter
LifeStraw’s Peak Series activated carbon + ion exchange filter attachment protects against lead, mercury, chromium III, cadmium, copper and other heavy metals. In addition, it reduces chlorine and bad odors for improved taste. This highly versatile filter is designed to be attached to the LifeStraw Peak Membrane filter