USIPuretal Personal Portable Water Filter, Straw Filter, Water Filter Straw for Tenting, Climbing, Backpacking and Emergency. Portable Straw Filter: Diameter
Membrane Solutions Water Bottle with Straw, Multi-Function Water Filter System with 3-Stage Filtration for Mountain climbing, Camping. 0.1 microns pore
Coghlan’s Camping Water Filter. Efficient filtration system for the elimination of giardia, cryptosporidium, and different organisms from ingesting water Capability
Personal Water Filter for Mountaineering, Tenting, Journey, and Emergency Preparedness (Yellow). Moveable & Light-weight : Our water filtration tools is