Water Filter Straw Hollow-Fiber 1,321-Gallon Capacity
High Quality
Free US Shipping
Hassle Free Returns
Almost sold out — few units available
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Clear-Looking Stream Water Can Still Be Unsafe
Drink from natural freshwater sources — 0.00000039-inch hollow-fiber filtration, up to 1,321 gallons, without chemicals or bulky equipment
Why Is This Survival Water Filter Perfect for You?
✔ Fine 0.00000039-inch filtration: The medical-grade hollow-fiber membrane filters sediment and micro-impurities through 0.00000039-inch pores. It works without chemicals, batteries, or chemical aftertaste.
✔ Up to 1,321 gallons of capacity: Each filter is rated to purify up to 1,321 gallons, reducing the need to carry replacement filters on long trips or keep replacing short-life options.
✔ Compact and versatile: The 5.31-inch body fits into a pocket or survival kit and connects to standard 1.10-inch bottles, gravity pouches, or tubing. BPA-free, food-grade construction; no bulky pump required.
Specifications
Filter pore size: 0.00000039 in
Rated filtration capacity: 1,321 gal
Bottle threading: 1.10-inch double thread
Dimensions and material: 5.31 × 1.18 in; BPA-free, food-grade ABS casing
🎃 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.