Water Filtration Straw — 0.1-Micron Hollow Fibre Field Filter

Drink directly from streams, lakes, and questionable tap water sources without boiling or chemical treatment. The 0.1-micron hollow fibre membrane removes 99.9999% of bacteria (Salmonella, Cholera, E. coli) and 99.9% of protozoa (Giardia, Cryptosporidium) — two classes of contaminants responsible for most wilderness waterborne illnesses.

No moving parts, no batteries, no waiting. Insert the straw, drink. The filter membrane never needs replacement under normal use and is rated for up to 100,000 litres of clean water over its lifespan. Backflush with the included cleaning syringe to clear contaminants and restore flow rate. Weighs 57g. Every go-bag and 72-hour kit should have one.

• Filtration: 0.1-micron hollow fibre membrane
• Removes: bacteria (99.9999%), protozoa (99.9%)
• Filter lifespan: up to 100,000 litres
• Compatible with water bottles, hydration reservoirs, and direct drinking
• Backflush syringe included for filter cleaning and maintenance
• Weight: 57g | Length: 22.5cm

Note: Does not remove viruses, heavy metals, chemicals, or saltwater. For virus-concern environments, pair with chemical treatment (iodine tabs).