Water Filter Straw Hollow-Fiber 0.01-Micron Filtration
High Quality
Free US Shipping
Hassle Free Returns
Almost sold out — few units available
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When clean water disappears, reliable access remains
Drink from freshwater sources without power or chemicals — 0.01-micron hollow-fiber filtration, up to 6,800 liters, under 60 g
Why Is This Emergency Water Filter Perfect for You?
✔ Mechanical filtration without power or chemicals: Filter freshwater using a 0.01-micron hollow-fiber membrane, with no electricity, batteries, chemicals, or moving parts required. It is designed to reduce up to 99.9% of bacteria and protozoa, plus microplastics.
✔ Long service life with no expiration date: Process up to 6,800 liters of water with one filter. With no chemicals to degrade and no expiration date, it can be stored for long-term preparedness without routine maintenance or storage rotation.
✔ Compact, lightweight, and food-safe: At under 60 g, the filter fits in a backpack, emergency kit, or vehicle survival kit. BPA-free, food-grade materials and a compact design make it easy to store and carry.
Specifications
Filtration technology: Hollow fiber membrane
Filtration pore size: 0.01 micron
Filtration capacity: Up to 6,800 liters
Weight: Less than 60 g
🎃 Spooky Season Sale 🦇
Due to high demand, stock is limited. Get an extra 10% OFF your order with code:
Tap to copy — valid while supplies last
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.